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CERTFR-2026-AVI-1241
Vulnerability from certfr_avis - Published: 2026-09-30 - Updated: 2026-09-30
De multiples vulnérabilités ont été découvertes dans OpenSSL. Certaines d'entre elles permettent à un attaquant de provoquer un déni de service à distance, une atteinte à la confidentialité des données et une atteinte à l'intégrité des données.
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
| Vendor | Product | Description | ||
|---|---|---|---|---|
| OpenSSL | OpenSSL | OpenSSL versions 3.6.x antérieures à 3.6.5 | ||
| OpenSSL | OpenSSL | OpenSSL versions 3.5.x antérieures à 3.5.9 | ||
| OpenSSL | OpenSSL | OpenSSL versions 1.0.2x antérieures à 1.0.2zs | ||
| OpenSSL | OpenSSL | OpenSSL versions 1.1.1x antérieures à 1.1.1zj | ||
| OpenSSL | OpenSSL | OpenSSL versions 3.0.x antérieures à 3.0.23 | ||
| OpenSSL | OpenSSL | OpenSSL versions 4.0.x antérieures à 4.0.3 | ||
| OpenSSL | OpenSSL | OpenSSL versions 3.4.x antérieures à 3.4.8 |
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "OpenSSL versions 3.6.x ant\u00e9rieures \u00e0 3.6.5",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 3.5.x ant\u00e9rieures \u00e0 3.5.9",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 1.0.2x ant\u00e9rieures \u00e0 1.0.2zs",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 1.1.1x ant\u00e9rieures \u00e0 1.1.1zj",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 3.0.x ant\u00e9rieures \u00e0 3.0.23",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 4.0.x ant\u00e9rieures \u00e0 4.0.3",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
},
{
"description": "OpenSSL versions 3.4.x ant\u00e9rieures \u00e0 3.4.8",
"product": {
"name": "OpenSSL",
"vendor": {
"name": "OpenSSL",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-75806",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75806"
},
{
"name": "CVE-2026-77696",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-77696"
},
{
"name": "CVE-2026-35189",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35189"
},
{
"name": "CVE-2026-84784",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84784"
},
{
"name": "CVE-2026-84783",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84783"
},
{
"name": "CVE-2026-54875",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-54875"
},
{
"name": "CVE-2026-42772",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-42772"
},
{
"name": "CVE-2026-54873",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-54873"
},
{
"name": "CVE-2026-72897",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-72897"
},
{
"name": "CVE-2026-54872",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-54872"
},
{
"name": "CVE-2026-75805",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75805"
},
{
"name": "CVE-2026-35191",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-35191"
},
{
"name": "CVE-2026-75804",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-75804"
},
{
"name": "CVE-2026-84782",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-84782"
}
],
"initial_release_date": "2026-09-30T00:00:00",
"last_revision_date": "2026-09-30T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-1241",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-09-30T00:00:00.000000"
}
],
"risks": [
{
"description": "D\u00e9ni de service \u00e0 distance"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans OpenSSL. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer un d\u00e9ni de service \u00e0 distance, une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es et une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es.",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans OpenSSL",
"vendor_advisories": [
{
"published_at": "2026-09-29",
"title": "Bulletin de s\u00e9curit\u00e9 OpenSSL",
"url": "https://openssl-library.org/news/secadv/20260929.txt"
}
]
}
CVE-2026-35189 (GCVE-0-2026-35189)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-11-10 12:45- CWE-770 - Allocation of Resources Without Limits or Throttling
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSSL | OpenSSL |
Affected:
4.0.0 , < 4.0.3
(semver)
Affected: 3.6.0 , < 3.6.5 (semver) Affected: 3.5.0 , < 3.5.9 (semver) Affected: 3.4.0 , < 3.4.8 (semver) Affected: 3.0.0 , < 3.0.23 (semver) Affected: 1.1.1 , < 1.1.1zj (custom) Affected: 1.0.2 , < 1.0.2zs (custom) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) |
Affected:
V3.1.7 , < *
(custom)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-35189",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T19:36:26.041392Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T20:11:09.577Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"affected": [
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.7",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.7",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.7",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.7",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "*",
"status": "affected",
"version": "V3.1.7",
"versionType": "custom"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-11-10T12:45:50.289Z",
"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"shortName": "siemens-SADP"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"
}
],
"x_adpType": "supplier"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "OpenSSL",
"vendor": "OpenSSL",
"versions": [
{
"lessThan": "4.0.3",
"status": "affected",
"version": "4.0.0",
"versionType": "semver"
},
{
"lessThan": "3.6.5",
"status": "affected",
"version": "3.6.0",
"versionType": "semver"
},
{
"lessThan": "3.5.9",
"status": "affected",
"version": "3.5.0",
"versionType": "semver"
},
{
"lessThan": "3.4.8",
"status": "affected",
"version": "3.4.0",
"versionType": "semver"
},
{
"lessThan": "3.0.23",
"status": "affected",
"version": "3.0.0",
"versionType": "semver"
},
{
"lessThan": "1.1.1zj",
"status": "affected",
"version": "1.1.1",
"versionType": "custom"
},
{
"lessThan": "1.0.2zs",
"status": "affected",
"version": "1.0.2",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Fuzz0x (ZKSC Institute of Security Research)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Viktor Dukhovni"
}
],
"datePublic": "2026-09-29T14:21:57.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Issue summary: A certificate with many nameRelativeToCRLIssuer CRL\u003cbr\u003edistribution points causes disproportionate heap growth when OpenSSL caches\u003cbr\u003eX.509 extensions.\u003cbr\u003e\u003cbr\u003eImpact summary: Receiving a crafted certificate from a malicious peer can lead\u003cbr\u003eto significant memory pressure and possible Denial of Service in clients or\u003cbr\u003ein servers that solicit client certificates.\u003cbr\u003e\u003cbr\u003eCWE: CWE-770: Allocation of Resources Without Limits or Throttling\u003cbr\u003e\u003cbr\u003eDescription: A certificate or a set of certificates that fits under the limit for\u003cbr\u003esize of certificates accepted from the peer (~100 KiB) can result in allocation\u003cbr\u003eof several hundred MiB of resident memory on the receiving side\u003cbr\u003eduring a normal TLS handshake. This may be enough to crash the client or\u003cbr\u003eserver, if multiple concurrent connections lead to similarly large memory\u003cbr\u003eallocations.\u003cbr\u003e\u003cbr\u003eThe fix postpones processing of the CRL distribution points extensions in\u003cbr\u003ecertificates to the time when the processed value is required for CRL processing.\u003cbr\u003eThis avoids keeping large memory allocations for a long time when such\u003cbr\u003ecertificates are received.\u003cbr\u003e\u003cbr\u003eFIPS impact: no\u003cbr\u003eThe affected code is outside the FIPS module boundary."
}
],
"value": "Issue summary: A certificate with many nameRelativeToCRLIssuer CRL\ndistribution points causes disproportionate heap growth when OpenSSL caches\nX.509 extensions.\n\nImpact summary: Receiving a crafted certificate from a malicious peer can lead\nto significant memory pressure and possible Denial of Service in clients or\nin servers that solicit client certificates.\n\nCWE: CWE-770: Allocation of Resources Without Limits or Throttling\n\nDescription: A certificate or a set of certificates that fits under the limit for\nsize of certificates accepted from the peer (~100 KiB) can result in allocation\nof several hundred MiB of resident memory on the receiving side\nduring a normal TLS handshake. This may be enough to crash the client or\nserver, if multiple concurrent connections lead to similarly large memory\nallocations.\n\nThe fix postpones processing of the CRL distribution points extensions in\ncertificates to the time when the processed value is required for CRL processing.\nThis avoids keeping large memory allocations for a long time when such\ncertificates are received.\n\nFIPS impact: no\nThe affected code is outside the FIPS module boundary."
}
],
"metrics": [
{
"format": "other",
"other": {
"content": {
"text": "Low"
},
"type": "https://openssl-library.org/policies/general/security-policy/"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-770",
"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-29T15:32:11.889Z",
"orgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"shortName": "openssl"
},
"references": [
{
"name": "OpenSSL Advisory",
"tags": [
"vendor-advisory"
],
"url": "https://openssl-library.org/news/secadv/20260929.txt"
},
{
"name": "4.0.3 git commit",
"tags": [
"patch"
],
"url": "https://github.com/openssl/openssl/commit/2b93c73b2c70ddc4c61c5e4bfaaa6bd71379eb84"
},
{
"name": "3.6.5 git commit",
"tags": [
"patch"
],
"url": "https://github.com/openssl/openssl/commit/8e0efc7549b7ff8246d40e585e3fd604f728473f"
},
{
"name": "3.5.9 git commit",
"tags": [
"patch"
],
"url": "https://github.com/openssl/openssl/commit/3842516cc15e8b2cf55747011045e77547e71d89"
},
{
"name": "3.4.8 git commit",
"tags": [
"patch"
],
"url": "https://github.com/openssl/openssl/commit/c72ae182cac17a82e4246c6ecd4e9c4ec3586ec9"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Excessive Memory Allocation in Relative CRLDP Processing",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "3a12439a-ef3a-4c79-92e6-6081a721f1e5",
"assignerShortName": "openssl",
"cveId": "CVE-2026-35189",
"datePublished": "2026-09-29T15:32:11.889Z",
"dateReserved": "2026-04-01T17:36:26.323Z",
"dateUpdated": "2026-11-10T12:45:50.289Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-35191 (GCVE-0-2026-35191)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-30 20:11- CWE-440 - Expected Behavior Violation
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 3.7,
"baseSeverity": "LOW",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2026-35191",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-30T19:35:19.683843Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-09-30T20:11:09.437Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "OpenSSL",
"vendor": "OpenSSL",
"versions": [
{
"lessThan": "4.0.3",
"status": "affected",
"version": "4.0.0",
"versionType": "semver"
},
{
"lessThan": "3.6.5",
"status": "affected",
"version": "3.6.0",
"versionType": "semver"
},
{
"lessThan": "3.5.9",
"status": "affected",
"version": "3.5.0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Ali Firas"
},
{
"lang": "en",
"type": "reporter",
"value": "Nikolas Gauder (NVIDIA)"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Neil Horman"
}
],
"datePublic": "2026-09-29T14:21:57.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Issue summary: The OpenSSL QUIC server, when configured to not preform address\u003cbr\u003evalidation, can be forced to count incoming packets multiple times in its\u003cbr\u003eunvalidated credit computation, leading to a violation of the RFC 9000\u003cbr\u003eunvalidated connection amplification limit of 3 times the amount of data\u003cbr\u003ereceived.\u003cbr\u003e\u003cbr\u003eImpact summary: A remote attacker able to spoof packets to a server using the\u003cbr\u003eOpenSSL QUIC implementation might use the server for an amplification of\u003cbr\u003ea DDoS attack.\u003cbr\u003e\u003cbr\u003eCWE: CWE-440: Expected Behavior Violation \u003cbr\u003e\u003cbr\u003eDescription: OpenSSL\u0027s QUIC stack, when operating as a server, enforces client\u003cbr\u003eaddress validation (RFC 9000, Section 8), to confirm the peer address is not\u003cbr\u003eused for a traffic amplification attack. If this feature is disabled on the\u003cbr\u003eserver, the QUIC stack limits the amount of server data that can be sent to 3\u003cbr\u003etimes the amount of data received from the peer address, until such time as the\u003cbr\u003eTLS handshake is completed.\u003cbr\u003e\u003cbr\u003eThe OpenSSL QUIC server, when operating in non-validation mode, adds the\u003cbr\u003elength of the whole datagram received to the unvalidated credit limit when\u003cbr\u003eprocessing each QUIC packet in the datagram. A remote peer may,\u003cbr\u003eafter establishing a connection with an initial client hello frame, send a\u003cbr\u003esubsequent datagram containing multiple QUIC packets, leading the server to\u003cbr\u003eaccount the entire datagram length for each packet in the datagram, resulting\u003cbr\u003ein the server believing that the peer has sent more data than it actually has,\u003cbr\u003ethereby violating the 3x amplification limit mandated by the RFC.\u003cbr\u003e\u003cbr\u003eFIPS impact: no\u003cbr\u003eAs the QUIC stack lives outside the FIPS module boundary, no FIPS modules\u003cbr\u003eare affected by this CVE."
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CVE-2026-42772 (GCVE-0-2026-42772)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-30 20:11- CWE-407 - Inefficient Algorithmic Complexity
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CVE-2026-54872 (GCVE-0-2026-54872)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-11-10 12:48- CWE-208 - Observable Timing Discrepancy
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSSL | OpenSSL |
Affected:
4.0.0 , < 4.0.3
(semver)
Affected: 3.6.0 , < 3.6.5 (semver) Affected: 3.5.0 , < 3.5.9 (semver) Affected: 3.4.0 , < 3.4.8 (semver) Affected: 3.0.0 , < 3.0.23 (semver) Affected: 1.1.1 , < 1.1.1zj (custom) Affected: 1.0.2 , < 1.0.2zs (custom) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) |
Affected:
V3.1.7 , < *
(custom)
|
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CVE-2026-54873 (GCVE-0-2026-54873)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-30 20:11- CWE-770 - Allocation of Resources Without Limits or Throttling
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CVE-2026-54875 (GCVE-0-2026-54875)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-29 17:17- CWE-208 - Observable Timing Discrepancy
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CVE-2026-72897 (GCVE-0-2026-72897)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-29 17:16- CWE-787 - Out-of-bounds Write
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CVE-2026-75804 (GCVE-0-2026-75804)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-09-29 17:15- CWE-770 - Allocation of Resources Without Limits or Throttling
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CVE-2026-75805 (GCVE-0-2026-75805)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-11-10 12:49- CWE-476 - NULL-pointer dereference
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSSL | OpenSSL |
Affected:
4.0.0 , < 4.0.3
(semver)
Affected: 3.6.0 , < 3.6.5 (semver) Affected: 3.5.0 , < 3.5.9 (semver) Affected: 3.4.0 , < 3.4.8 (semver) Affected: 3.0.0 , < 3.0.23 (semver) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) |
Affected:
V3.1.7 , < *
(custom)
|
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CVE-2026-75806 (GCVE-0-2026-75806)
Vulnerability from cvelistv5 – Published: 2026-09-29 15:32 – Updated: 2026-11-10 12:49- CWE-1284 - Improper Validation of Specified Quantity in Input
| Vendor | Product | Version | |
|---|---|---|---|
| OpenSSL | OpenSSL |
Affected:
4.0.0 , < 4.0.3
(semver)
Affected: 3.6.0 , < 3.6.5 (semver) Affected: 3.5.0 , < 3.5.9 (semver) Affected: 3.4.0 , < 3.4.8 (semver) Affected: 3.0.0 , < 3.0.23 (semver) Affected: 1.1.1 , < 1.1.1zj (custom) |
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AC0) |
Affected:
V3.1.7 , < *
(custom)
|
|
| Siemens | SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0) |
Affected:
V3.1.7 , < *
(custom)
|
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"value": "Issue summary: An established DTLS 1.2 association using an AEAD cipher suite\u003cbr\u003ecan be terminated by a single unauthenticated datagram whose encrypted\u003cbr\u003efragment is shorter than the mandatory explicit IV and authentication tag\u003cbr\u003eoverhead.\u003cbr\u003e\u003cbr\u003eImpact summary: An attacker who can send a datagram that is routed to an\u003cbr\u003eexisting DTLS 1.2 association can tear that association down without knowing\u003cbr\u003eany key material. This is a Denial of Service limited to the targeted\u003cbr\u003eassociation. There is no memory safety or confidentiality impact.\u003cbr\u003e\u003cbr\u003eCWE: CWE-1284: Improper Validation of Specified Quantity in Input\u003cbr\u003e\u003cbr\u003eDescription: In TLS 1.2 and DTLS 1.2 every record protected by an AEAD cipher\u003cbr\u003esuite carries an explicit IV followed by the ciphertext and an authentication\u003cbr\u003etag. When decrypting such a record the record layer passed the record length to\u003cbr\u003ethe cipher implementation before checking that the record was long enough to\u003cbr\u003econtain the explicit IV and the tag. For a record shorter than that overhead the\u003cbr\u003ecipher implementation rejected the impossible length, and the record layer\u003cbr\u003etreated this as an internal failure and raised a fatal internal_error alert\u003cbr\u003einstead of treating the record as one that failed authentication.\u003cbr\u003e\u003cbr\u003eIn TLS 1.2 the same record causes a fatal internal_error alert instead of the\u003cbr\u003eexpected bad_record_mac alert. Since any undecryptable record already\u003cbr\u003eterminates a TLS connection, this is a protocol conformance issue rather than\u003cbr\u003ea security issue in TLS.\u003cbr\u003e\u003cbr\u003eThe fix validates the record length against the explicit IV and tag length\u003cbr\u003ebefore any AEAD processing, so that TLS reports bad_record_mac and DTLS\u003cbr\u003esilently discards the record.\u003cbr\u003e\u003cbr\u003eFIPS impact: no\u003cbr\u003eThe affected code is outside the FIPS module boundary."
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
How durations are calculated
Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.