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95 vulnerabilities by pjsip
CVE-2026-57166 (GCVE-0-2026-57166)
Vulnerability from nvd – Published: 2026-09-04 17:12 – Updated: 2026-09-04 17:12
VLAI
EPSS
VEX
Title
PJSIP: Pre-authentication overflow in the telnet CLI error
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amount of data into fixed-size buffers without sufficient bounds checking, so a long command line can overflow them. This affects only applications that enable the telnet CLI front-end (e.g. pj_cli_telnet_create() / --cli-telnet-port). The telnet CLI is an interactive administration interface with no authentication, so any client able to reach it can already issue arbitrary CLI commands. A malformed or overly long command line can overflow a fixed-size stack buffer while rendering command-line feedback, which may lead to application termination. Because reaching this code already requires access to the unauthenticated CLI, the impact beyond that existing access is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 4472a31.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/4472a31… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 4472a31d77a7506ff175dad5abef490f4e31bed1"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amount of data into fixed-size buffers without sufficient bounds checking, so a long command line can overflow them. This affects only applications that enable the telnet CLI front-end (e.g. pj_cli_telnet_create() / --cli-telnet-port). The telnet CLI is an interactive administration interface with no authentication, so any client able to reach it can already issue arbitrary CLI commands. A malformed or overly long command line can overflow a fixed-size stack buffer while rendering command-line feedback, which may lead to application termination. Because reaching this code already requires access to the unauthenticated CLI, the impact beyond that existing access is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 4472a31."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
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}
]
}
],
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},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-9c8q-h38q-p85j",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-9c8q-h38q-p85j"
},
{
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"tags": [
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],
"url": "https://github.com/pjsip/pjproject/commit/4472a31d77a7506ff175dad5abef490f4e31bed1"
}
],
"source": {
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"discovery": "UNKNOWN"
},
"title": "PJSIP: Pre-authentication overflow in the telnet CLI error"
}
},
"cveMetadata": {
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"datePublished": "2026-09-04T17:12:10.146Z",
"dateReserved": "2026-06-24T01:47:55.285Z",
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"state": "PUBLISHED"
},
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}
CVE-2026-57165 (GCVE-0-2026-57165)
Vulnerability from nvd – Published: 2026-09-04 17:12 – Updated: 2026-09-04 17:12
VLAI
EPSS
VEX
Title
PJSIP: Pre-authentication overflow in the telnet CLI history
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall (handle_up_down() in cli_telnet.c). This affects only applications that enable the telnet CLI front-end (same gating as the related CLI issue). The line-redraw sequence for a recalled history entry can accumulate more data than a fixed-size stack buffer holds, which may lead to application termination. Exploitation requires access to the unauthenticated telnet CLI, which already permits arbitrary CLI commands, so the additional impact is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 628b716.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/628b716… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 628b71638465bacf66e767959e6acbab822eccd6"
}
]
}
],
"descriptions": [
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"lang": "en",
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}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 6.3,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE"
}
}
],
"problemTypes": [
{
"descriptions": [
{
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"description": "CWE-121: Stack-based Buffer Overflow",
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"type": "CWE"
}
]
}
],
"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-rpq9-9fx7-95xw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-rpq9-9fx7-95xw"
},
{
"name": "https://github.com/pjsip/pjproject/commit/628b71638465bacf66e767959e6acbab822eccd6",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pjsip/pjproject/commit/628b71638465bacf66e767959e6acbab822eccd6"
}
],
"source": {
"advisory": "GHSA-rpq9-9fx7-95xw",
"discovery": "UNKNOWN"
},
"title": "PJSIP: Pre-authentication overflow in the telnet CLI history"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-57165",
"datePublished": "2026-09-04T17:12:01.043Z",
"dateReserved": "2026-06-24T01:47:55.285Z",
"dateUpdated": "2026-09-04T17:12:01.043Z",
"state": "PUBLISHED"
},
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"dataVersion": "5.2"
}
CVE-2026-57164 (GCVE-0-2026-57164)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: Heap overflow in the HTTP client
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no incremental on_data_read callback). When growing the response buffer, an incorrect size calculation based on the server-supplied Content-Length can leave the buffer too small, causing response data to be written past the end of the allocation. A malicious or man-in-the-middle HTTP server can trigger this with a crafted response; impact may range from unexpected application termination to memory corruption. Applications that consume the response incrementally (via on_data_read), or that only connect to trusted servers, are not affected. This issue has been patched via commit 8d5956a.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/8d5956a… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 8d5956afab2ede95ddb199078dc19a8ac0114f3d"
}
]
}
],
"descriptions": [
{
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"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no incremental on_data_read callback). When growing the response buffer, an incorrect size calculation based on the server-supplied Content-Length can leave the buffer too small, causing response data to be written past the end of the allocation. A malicious or man-in-the-middle HTTP server can trigger this with a crafted response; impact may range from unexpected application termination to memory corruption. Applications that consume the response incrementally (via on_data_read), or that only connect to trusted servers, are not affected. This issue has been patched via commit 8d5956a."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
{
"descriptions": [
{
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"description": "CWE-122: Heap-based Buffer Overflow",
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],
"providerMetadata": {
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"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-59fr-724j-6fjv",
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"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-59fr-724j-6fjv"
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{
"name": "https://github.com/pjsip/pjproject/commit/8d5956afab2ede95ddb199078dc19a8ac0114f3d",
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],
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"discovery": "UNKNOWN"
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}
},
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"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-57164",
"datePublished": "2026-09-04T17:11:55.615Z",
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"state": "PUBLISHED"
},
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"dataVersion": "5.2"
}
CVE-2026-57163 (GCVE-0-2026-57163)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:25
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate (tls_cert_get_info() in ssl_sock_gtls.c). Only GnuTLS builds are affected (--with-gnutls); OpenSSL and Apple SecureTransport/Network.framework builds are not affected. While extracting certificate information after a TLS handshake, an incorrect buffer-size value can cause an oversized SubjectAltName entry to be written past the end of a fixed-size stack buffer. A network-positioned attacker presenting a crafted certificate — a malicious server to a connecting client, or a malicious client to a server that requests certificates — can trigger this during the TLS handshake, before any SIP-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. This issue has been patched via commit c4a151a.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:25 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/c4a151a… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-57163",
"options": [
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},
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}
],
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"timestamp": "2026-09-04T17:25:40.460080Z",
"version": "2.0.3"
},
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}
}
],
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c c4a151af86fadd16d9480b2603eeb2abf4fb4f78"
}
]
}
],
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{
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}
],
"metrics": [
{
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"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
}
}
],
"problemTypes": [
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"descriptions": [
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{
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],
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{
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],
"source": {
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"discovery": "UNKNOWN"
},
"title": "PJSIP: Stack overflow parsing a TLS peer certificate\u0027s SubjectAltName in GnuTLS backend"
}
},
"cveMetadata": {
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"state": "PUBLISHED"
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"dataVersion": "5.2"
}
CVE-2026-57162 (GCVE-0-2026-57162)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:26
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow parsing SDP a=crypto attributes
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer (sdes_encode_sdp() in transport_srtp_sdes.c). This affects applications with SRTP enabled (use_srtp optional or mandatory, using SDES keying). During media negotiation, the crypto attributes from the remote SDP are collected into a fixed-size array without bounding their number; a remote peer that includes an excessive number of a=crypto attributes in a single media description can write past the end of that array on the stack. This is reachable from an incoming SIP INVITE during offer/answer, before application-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. Applications that do not enable SRTP are not affected. This issue has been patched via commit a1b707c.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:25 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/a1b707c… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-57162",
"options": [
{
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},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-04T17:25:22.007068Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c a1b707c0c9b0506faf2a8a438b60f11ffd6a6fd9"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer (sdes_encode_sdp() in transport_srtp_sdes.c). This affects applications with SRTP enabled (use_srtp optional or mandatory, using SDES keying). During media negotiation, the crypto attributes from the remote SDP are collected into a fixed-size array without bounding their number; a remote peer that includes an excessive number of a=crypto attributes in a single media description can write past the end of that array on the stack. This is reachable from an incoming SIP INVITE during offer/answer, before application-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. Applications that do not enable SRTP are not affected. This issue has been patched via commit a1b707c."
}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
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"subConfidentialityImpact": "NONE",
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"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
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"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-m9g3-jcj8-qjfm"
},
{
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},
"title": "PJSIP: Stack overflow parsing SDP a=crypto attributes"
}
},
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CVE-2026-57161 (GCVE-0-2026-57161)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow handling Service-Route headers in a registration response
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit acc03b5, a stack buffer overflow exists in PJSUA when processing Service-Route headers in a registration response (update_service_route() in pjsua_acc.c). This affects applications that register using the PJSUA/PJSUA2 account API (the default registration path). The Service-Route URIs from a 2xx response to REGISTER are stored into a fixed-size array without bounding the number of headers; a registrar that returns an excessive number of Service-Route headers can write past the end of the array on the stack. The values written are internal pointers rather than arbitrary data, so the most likely impact is unexpected application termination (denial of service), though memory corruption cannot be excluded. The malicious response may come from a compromised or malicious registrar, or — over unprotected transports — a spoofed response. This issue has been patched via commit acc03b5.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/acc03b5… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
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}
]
}
],
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}
],
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"userInteraction": "NONE",
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{
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CVE-2026-57160 (GCVE-0-2026-57160)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: SIP message header buffer overflow
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsip_generic_array_hdr_print() in pjsip/src/pjsip/sip_msg.c, the function that serializes generic array headers (such as Allow, Require, Supported, and Unsupported). Under certain output-buffer boundary conditions the function can write one byte past the end of the buffer. This is reachable mainly in applications that parse and re-serialize incoming SIP requests — for example a proxy, SBC, or B2BUA — where a remote peer can influence the serialized message. The out-of-bounds write is a single fixed byte; code execution and information disclosure are not demonstrated, and in typical pool-based allocations the byte falls within allocation slack. This issue has been patched via commit d6a0e7f.
Severity
CWE
- CWE-193 - Off-by-one Error
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/d6a0e7f… | x_refsource_MISC |
Impacted products
{
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"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c d6a0e7f76611c3a6f530ee051e3e7a622bb1748c"
}
]
}
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}
],
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CVE-2026-57159 (GCVE-0-2026-57159)
Vulnerability from nvd – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.
Severity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/673b978… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 673b978aab1fe3ab874247be32c871acc880cbeb"
}
]
}
],
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}
],
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"x_refsource_CONFIRM"
],
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"discovery": "UNKNOWN"
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"title": "PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance"
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CVE-2026-42225 (GCVE-0-2026-42225)
Vulnerability from nvd – Published: 2026-05-07 18:47 – Updated: 2026-05-08 14:18
VLAI
EPSS
VEX
Title
GnuTLS backend silently skips certificate chain verification when verify_peer is false
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, on GnuTLS builds, the SIP TLS transport (sip_transport_tls) can accept connections with invalid or untrusted certificates even when the application explicitly enables certificate verification via verify_server = PJ_TRUE or verify_client = PJ_TRUE. This issue has been patched in version 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-08 14:18 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/ef68425… | x_refsource_MISC |
| https://github.com/pjsip/pjproject/releases/tag/2.17 | x_refsource_MISC |
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CVE-2026-41416 (GCVE-0-2026-41416)
Vulnerability from nvd – Published: 2026-04-24 18:40 – Updated: 2026-04-27 13:35
VLAI
EPSS
VEX
Title
PJSIP: Asymmetric ptime integer overflow in Media Stream
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corruption This vulnerability is fixed in 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 13:20 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/66fe416… | x_refsource_MISC |
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CVE-2026-41415 (GCVE-0-2026-41415)
Vulnerability from nvd – Published: 2026-04-24 18:38 – Updated: 2026-04-24 19:58
VLAI
EPSS
VEX
Title
PJSIP: SIP Multipart CID URI Length Underflow
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an out-of-bounds read when parsing a malformed Content-ID URI in SIP multipart message body. Insufficient length validation can cause reads beyond the intended buffer bounds. This vulnerability is fixed in 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 19:58 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/4225a93… | x_refsource_MISC |
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CVE-2026-40892 (GCVE-0-2026-40892)
Vulnerability from nvd – Published: 2026-04-21 19:55 – Updated: 2026-04-21 20:27
VLAI
EPSS
VEX
Title
PJSIP: Stack buffer overflow in pjsip_auth_create_digest2()
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a stack buffer overflow exists in pjsip_auth_create_digest2() in PJSIP when using pre-computed digest credentials (PJSIP_CRED_DATA_DIGEST). The function copies credential data using cred_info->data.slen as the length without an upper-bound check, which can overflow the fixed-size ha1 stack buffer (128 bytes) if data.slen exceeds the expected digest string length.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 20:27 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/c82123e… | x_refsource_MISC |
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CVE-2026-40614 (GCVE-0-2026-40614)
Vulnerability from nvd – Published: 2026-04-21 18:04 – Updated: 2026-04-22 13:33
VLAI
EPSS
VEX
Title
PJSIP: Heap buffer overflow in Opus codec decoding
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is a buffer overflow when decoding Opus audio frames due to insufficient buffer size validation in the Opus codec decode path. The FEC decode buffers (dec_frame[].buf) were allocated based on a PCM-derived formula: (sample_rate/1000) * 60 * channel_cnt * 2. At 8 kHz mono this yields only 960 bytes, but codec_parse() can output encoded frames up to MAX_ENCODED_PACKET_SIZE (1280) bytes via opus_repacketizer_out_range(). The three pj_memcpy() calls in codec_decode() copied input->size bytes without bounds checking, causing a heap buffer overflow.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 13:32 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/17897e8… | x_refsource_MISC |
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CVE-2026-34235 (GCVE-0-2026-34235)
Vulnerability from nvd – Published: 2026-03-31 15:36 – Updated: 2026-04-02 15:20
VLAI
EPSS
VEX
Title
PJSIP: Heap OOB read in VPX unpacketizer
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap out-of-bounds read vulnerability exists in PJSIP's VP9 RTP unpacketizer that occurs when parsing crafted VP9 Scalability Structure (SS) data. Insufficient bounds checking on the payload descriptor length may cause reads beyond the allocated RTP payload buffer. This issue has been patched in version 2.17. A workaround for this issue involves disabling VP9 codec if not needed.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 15:20 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/f4c7d08… | x_refsource_MISC |
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"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-pqrm-53pc-wx28"
},
{
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}
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"advisory": "GHSA-pqrm-53pc-wx28",
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},
"title": "PJSIP: Heap OOB read in VPX unpacketizer"
}
},
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CVE-2026-33069 (GCVE-0-2026-33069)
Vulnerability from nvd – Published: 2026-03-20 08:21 – Updated: 2026-03-20 15:34
VLAI
EPSS
VEX
Title
PJSIP has an Out-of-bounds Read in SIP multipart parsing
Summary
PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsip_multipart_parse(). After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This allows 1-2 bytes of adjacent heap memory to be read. All applications that process incoming SIP messages with multipart bodies or SDP content are potentially affected. This issue is resolved in version 2.17.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-20 15:34 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/f0fa32a… | x_refsource_MISC |
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CVE-2026-57166 (GCVE-0-2026-57166)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:12 – Updated: 2026-09-04 17:12
VLAI
EPSS
VEX
Title
PJSIP: Pre-authentication overflow in the telnet CLI error
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amount of data into fixed-size buffers without sufficient bounds checking, so a long command line can overflow them. This affects only applications that enable the telnet CLI front-end (e.g. pj_cli_telnet_create() / --cli-telnet-port). The telnet CLI is an interactive administration interface with no authentication, so any client able to reach it can already issue arbitrary CLI commands. A malformed or overly long command line can overflow a fixed-size stack buffer while rendering command-line feedback, which may lead to application termination. Because reaching this code already requires access to the unauthenticated CLI, the impact beyond that existing access is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 4472a31.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/4472a31… | x_refsource_MISC |
Impacted products
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{
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"vendor": "pjsip",
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}
],
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
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CVE-2026-57165 (GCVE-0-2026-57165)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:12 – Updated: 2026-09-04 17:12
VLAI
EPSS
VEX
Title
PJSIP: Pre-authentication overflow in the telnet CLI history
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall (handle_up_down() in cli_telnet.c). This affects only applications that enable the telnet CLI front-end (same gating as the related CLI issue). The line-redraw sequence for a recalled history entry can accumulate more data than a fixed-size stack buffer holds, which may lead to application termination. Exploitation requires access to the unauthenticated telnet CLI, which already permits arbitrary CLI commands, so the additional impact is limited. Applications that do not enable the telnet CLI front-end are not affected. This issue has been patched via commit 628b716.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/628b716… | x_refsource_MISC |
Impacted products
{
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"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 628b71638465bacf66e767959e6acbab822eccd6"
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}
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}
],
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"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
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CVE-2026-57164 (GCVE-0-2026-57164)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: Heap overflow in the HTTP client
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no incremental on_data_read callback). When growing the response buffer, an incorrect size calculation based on the server-supplied Content-Length can leave the buffer too small, causing response data to be written past the end of the allocation. A malicious or man-in-the-middle HTTP server can trigger this with a crafted response; impact may range from unexpected application termination to memory corruption. Applications that consume the response incrementally (via on_data_read), or that only connect to trusted servers, are not affected. This issue has been patched via commit 8d5956a.
Severity
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/8d5956a… | x_refsource_MISC |
Impacted products
{
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"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
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}
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}
],
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}
],
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CVE-2026-57163 (GCVE-0-2026-57163)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:25
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate (tls_cert_get_info() in ssl_sock_gtls.c). Only GnuTLS builds are affected (--with-gnutls); OpenSSL and Apple SecureTransport/Network.framework builds are not affected. While extracting certificate information after a TLS handshake, an incorrect buffer-size value can cause an oversized SubjectAltName entry to be written past the end of a fixed-size stack buffer. A network-positioned attacker presenting a crafted certificate — a malicious server to a connecting client, or a malicious client to a server that requests certificates — can trigger this during the TLS handshake, before any SIP-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. This issue has been patched via commit c4a151a.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:25 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/c4a151a… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
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}
],
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"version": "2.0.3"
},
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}
}
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},
"title": "CISA ADP Vulnrichment"
}
],
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{
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"vendor": "pjsip",
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{
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}
]
}
],
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"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate (tls_cert_get_info() in ssl_sock_gtls.c). Only GnuTLS builds are affected (--with-gnutls); OpenSSL and Apple SecureTransport/Network.framework builds are not affected. While extracting certificate information after a TLS handshake, an incorrect buffer-size value can cause an oversized SubjectAltName entry to be written past the end of a fixed-size stack buffer. A network-positioned attacker presenting a crafted certificate \u2014 a malicious server to a connecting client, or a malicious client to a server that requests certificates \u2014 can trigger this during the TLS handshake, before any SIP-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. This issue has been patched via commit c4a151a."
}
],
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"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
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"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-jm2j-6rg6-qvwx",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-jm2j-6rg6-qvwx"
},
{
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"discovery": "UNKNOWN"
},
"title": "PJSIP: Stack overflow parsing a TLS peer certificate\u0027s SubjectAltName in GnuTLS backend"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"dateUpdated": "2026-09-04T17:25:49.678Z",
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CVE-2026-57162 (GCVE-0-2026-57162)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:26
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow parsing SDP a=crypto attributes
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer (sdes_encode_sdp() in transport_srtp_sdes.c). This affects applications with SRTP enabled (use_srtp optional or mandatory, using SDES keying). During media negotiation, the crypto attributes from the remote SDP are collected into a fixed-size array without bounding their number; a remote peer that includes an excessive number of a=crypto attributes in a single media description can write past the end of that array on the stack. This is reachable from an incoming SIP INVITE during offer/answer, before application-level authentication. Impact may range from unexpected application termination to control flow hijack/memory corruption. Applications that do not enable SRTP are not affected. This issue has been patched via commit a1b707c.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:25 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/a1b707c… | x_refsource_MISC |
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-57162",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-04T17:25:22.007068Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c a1b707c0c9b0506faf2a8a438b60f11ffd6a6fd9"
}
]
}
],
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}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH"
}
}
],
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"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-m9g3-jcj8-qjfm",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-m9g3-jcj8-qjfm"
},
{
"name": "https://github.com/pjsip/pjproject/commit/a1b707c0c9b0506faf2a8a438b60f11ffd6a6fd9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pjsip/pjproject/commit/a1b707c0c9b0506faf2a8a438b60f11ffd6a6fd9"
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],
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"discovery": "UNKNOWN"
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"title": "PJSIP: Stack overflow parsing SDP a=crypto attributes"
}
},
"cveMetadata": {
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CVE-2026-57161 (GCVE-0-2026-57161)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: Stack overflow handling Service-Route headers in a registration response
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit acc03b5, a stack buffer overflow exists in PJSUA when processing Service-Route headers in a registration response (update_service_route() in pjsua_acc.c). This affects applications that register using the PJSUA/PJSUA2 account API (the default registration path). The Service-Route URIs from a 2xx response to REGISTER are stored into a fixed-size array without bounding the number of headers; a registrar that returns an excessive number of Service-Route headers can write past the end of the array on the stack. The values written are internal pointers rather than arbitrary data, so the most likely impact is unexpected application termination (denial of service), though memory corruption cannot be excluded. The malicious response may come from a compromised or malicious registrar, or — over unprotected transports — a spoofed response. This issue has been patched via commit acc03b5.
Severity
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/acc03b5… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c acc03b57cef7a7d31b8e1f5b9117437d7e87c591"
}
]
}
],
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{
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}
],
"metrics": [
{
"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "HIGH",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "LOW"
}
}
],
"problemTypes": [
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}
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}
],
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},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-xc62-j9h2-mp84",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-xc62-j9h2-mp84"
},
{
"name": "https://github.com/pjsip/pjproject/commit/acc03b57cef7a7d31b8e1f5b9117437d7e87c591",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pjsip/pjproject/commit/acc03b57cef7a7d31b8e1f5b9117437d7e87c591"
}
],
"source": {
"advisory": "GHSA-xc62-j9h2-mp84",
"discovery": "UNKNOWN"
},
"title": "PJSIP: Stack overflow handling Service-Route headers in a registration response"
}
},
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"assignerShortName": "GitHub_M",
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CVE-2026-57160 (GCVE-0-2026-57160)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: SIP message header buffer overflow
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsip_generic_array_hdr_print() in pjsip/src/pjsip/sip_msg.c, the function that serializes generic array headers (such as Allow, Require, Supported, and Unsupported). Under certain output-buffer boundary conditions the function can write one byte past the end of the buffer. This is reachable mainly in applications that parse and re-serialize incoming SIP requests — for example a proxy, SBC, or B2BUA — where a remote peer can influence the serialized message. The out-of-bounds write is a single fixed byte; code execution and information disclosure are not demonstrated, and in typical pool-based allocations the byte falls within allocation slack. This issue has been patched via commit d6a0e7f.
Severity
CWE
- CWE-193 - Off-by-one Error
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/d6a0e7f… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c d6a0e7f76611c3a6f530ee051e3e7a622bb1748c"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsip_generic_array_hdr_print() in pjsip/src/pjsip/sip_msg.c, the function that serializes generic array headers (such as Allow, Require, Supported, and Unsupported). Under certain output-buffer boundary conditions the function can write one byte past the end of the buffer. This is reachable mainly in applications that parse and re-serialize incoming SIP requests \u2014 for example a proxy, SBC, or B2BUA \u2014 where a remote peer can influence the serialized message. The out-of-bounds write is a single fixed byte; code execution and information disclosure are not demonstrated, and in typical pool-based allocations the byte falls within allocation slack. This issue has been patched via commit d6a0e7f."
}
],
"metrics": [
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"cvssV4_0": {
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
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"vulnConfidentialityImpact": "NONE",
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}
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},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-277r-3q2j-mxcw",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-277r-3q2j-mxcw"
},
{
"name": "https://github.com/pjsip/pjproject/commit/d6a0e7f76611c3a6f530ee051e3e7a622bb1748c",
"tags": [
"x_refsource_MISC"
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],
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"advisory": "GHSA-277r-3q2j-mxcw",
"discovery": "UNKNOWN"
},
"title": "PJSIP: SIP message header buffer overflow"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
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"dateUpdated": "2026-09-04T17:11:29.344Z",
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CVE-2026-57159 (GCVE-0-2026-57159)
Vulnerability from cvelistv5 – Published: 2026-09-04 17:11 – Updated: 2026-09-04 17:11
VLAI
EPSS
VEX
Title
PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978.
Severity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/673b978… | x_refsource_MISC |
Impacted products
{
"containers": {
"cna": {
"affected": [
{
"product": "pjproject",
"vendor": "pjsip",
"versions": [
{
"status": "affected",
"version": "\u003c 673b978aab1fe3ab874247be32c871acc880cbeb"
}
]
}
],
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"lang": "en",
"value": "PJSIP is a free and open source multimedia communication library written in C. Prior to commit 673b978, a remote out-of-bounds read and write can occur in the SDP negotiator when the remote payload-type map maintenance feature is enabled. assign_pt_and_update_map() in pjmedia/src/pjmedia/sdp_neg.c uses payload-type numbers taken from a remote SDP offer or answer to index fixed-size internal tables without sufficient bounds validation, so a crafted remote SDP can cause memory access outside those tables. The practical impact is memory corruption and denial of service; code execution is not demonstrated. This path is only reached when PJMEDIA_SDP_NEG_MAINTAIN_REMOTE_PT_MAP is enabled. The default is disabled, so default builds are not affected; the feature is an interoperability option that integrating products may enable. This issue has been patched via commit 673b978."
}
],
"metrics": [
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"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "NETWORK",
"baseScore": 8.4,
"baseSeverity": "HIGH",
"privilegesRequired": "NONE",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N",
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"vulnIntegrityImpact": "HIGH"
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"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-129",
"description": "CWE-129: Improper Validation of Array Index",
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"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-787",
"description": "CWE-787: Out-of-bounds Write",
"lang": "en",
"type": "CWE"
}
]
}
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},
"references": [
{
"name": "https://github.com/pjsip/pjproject/security/advisories/GHSA-rfwg-w9gq-9mw2",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/pjsip/pjproject/security/advisories/GHSA-rfwg-w9gq-9mw2"
},
{
"name": "https://github.com/pjsip/pjproject/commit/673b978aab1fe3ab874247be32c871acc880cbeb",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/pjsip/pjproject/commit/673b978aab1fe3ab874247be32c871acc880cbeb"
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],
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"discovery": "UNKNOWN"
},
"title": "PJSIP: SDP parser out-of-bounds write in remote payload-type map maintenance"
}
},
"cveMetadata": {
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CVE-2026-42225 (GCVE-0-2026-42225)
Vulnerability from cvelistv5 – Published: 2026-05-07 18:47 – Updated: 2026-05-08 14:18
VLAI
EPSS
VEX
Title
GnuTLS backend silently skips certificate chain verification when verify_peer is false
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, on GnuTLS builds, the SIP TLS transport (sip_transport_tls) can accept connections with invalid or untrusted certificates even when the application explicitly enables certificate verification via verify_server = PJ_TRUE or verify_client = PJ_TRUE. This issue has been patched in version 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-08 14:18 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/ef68425… | x_refsource_MISC |
| https://github.com/pjsip/pjproject/releases/tag/2.17 | x_refsource_MISC |
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CVE-2026-41416 (GCVE-0-2026-41416)
Vulnerability from cvelistv5 – Published: 2026-04-24 18:40 – Updated: 2026-04-27 13:35
VLAI
EPSS
VEX
Title
PJSIP: Asymmetric ptime integer overflow in Media Stream
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corruption This vulnerability is fixed in 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 13:20 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/66fe416… | x_refsource_MISC |
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CVE-2026-41415 (GCVE-0-2026-41415)
Vulnerability from cvelistv5 – Published: 2026-04-24 18:38 – Updated: 2026-04-24 19:58
VLAI
EPSS
VEX
Title
PJSIP: SIP Multipart CID URI Length Underflow
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an out-of-bounds read when parsing a malformed Content-ID URI in SIP multipart message body. Insufficient length validation can cause reads beyond the intended buffer bounds. This vulnerability is fixed in 2.17.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 19:58 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/4225a93… | x_refsource_MISC |
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CVE-2026-40892 (GCVE-0-2026-40892)
Vulnerability from cvelistv5 – Published: 2026-04-21 19:55 – Updated: 2026-04-21 20:27
VLAI
EPSS
VEX
Title
PJSIP: Stack buffer overflow in pjsip_auth_create_digest2()
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, a stack buffer overflow exists in pjsip_auth_create_digest2() in PJSIP when using pre-computed digest credentials (PJSIP_CRED_DATA_DIGEST). The function copies credential data using cred_info->data.slen as the length without an upper-bound check, which can overflow the fixed-size ha1 stack buffer (128 bytes) if data.slen exceeds the expected digest string length.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-21 20:27 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/c82123e… | x_refsource_MISC |
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CVE-2026-40614 (GCVE-0-2026-40614)
Vulnerability from cvelistv5 – Published: 2026-04-21 18:04 – Updated: 2026-04-22 13:33
VLAI
EPSS
VEX
Title
PJSIP: Heap buffer overflow in Opus codec decoding
Summary
PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is a buffer overflow when decoding Opus audio frames due to insufficient buffer size validation in the Opus codec decode path. The FEC decode buffers (dec_frame[].buf) were allocated based on a PCM-derived formula: (sample_rate/1000) * 60 * channel_cnt * 2. At 8 kHz mono this yields only 960 bytes, but codec_parse() can output encoded frames up to MAX_ENCODED_PACKET_SIZE (1280) bytes via opus_repacketizer_out_range(). The three pj_memcpy() calls in codec_decode() copied input->size bytes without bounds checking, causing a heap buffer overflow.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-22 13:32 UTC
CWE
- CWE-122 - Heap-based Buffer Overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/17897e8… | x_refsource_MISC |
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CVE-2026-34235 (GCVE-0-2026-34235)
Vulnerability from cvelistv5 – Published: 2026-03-31 15:36 – Updated: 2026-04-02 15:20
VLAI
EPSS
VEX
Title
PJSIP: Heap OOB read in VPX unpacketizer
Summary
PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap out-of-bounds read vulnerability exists in PJSIP's VP9 RTP unpacketizer that occurs when parsing crafted VP9 Scalability Structure (SS) data. Insufficient bounds checking on the payload descriptor length may cause reads beyond the allocated RTP payload buffer. This issue has been patched in version 2.17. A workaround for this issue involves disabling VP9 codec if not needed.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-02 15:20 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/f4c7d08… | x_refsource_MISC |
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CVE-2026-33069 (GCVE-0-2026-33069)
Vulnerability from cvelistv5 – Published: 2026-03-20 08:21 – Updated: 2026-03-20 15:34
VLAI
EPSS
VEX
Title
PJSIP has an Out-of-bounds Read in SIP multipart parsing
Summary
PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsip_multipart_parse(). After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This allows 1-2 bytes of adjacent heap memory to be read. All applications that process incoming SIP messages with multipart bodies or SDP content are potentially affected. This issue is resolved in version 2.17.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-20 15:34 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/pjsip/pjproject/security/advis… | x_refsource_CONFIRM |
| https://github.com/pjsip/pjproject/commit/f0fa32a… | x_refsource_MISC |
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