Common Weakness Enumeration
CWE-125
AllowedOut-of-bounds Read
Abstraction: Base · Status: Draft
The product reads data past the end, or before the beginning, of the intended buffer.
11885 vulnerabilities reference this CWE, most recent first.
CVE-2026-42771 (GCVE-0-2026-42771)
Vulnerability from cvelistv5 – Published: 2026-06-09 16:03 – Updated: 2026-06-10 07:48
VLAI
EPSS
VEX
Title
Possible Out of Bounds Read in X509_VERIFY_PARAM_set1_email()
Summary
Issue summary: When the X509_VERIFY_PARAM_set1_email is called by an
application to validate a crafted e-mail address, such as during S/MIME
message validation, an out of bounds read can happen.
Impact summary: This out of bounds read will not directly exfiltrate
the data read to the attacker so the most likely result is a crash and
a Denial of Service.
An internal helper function called from X509_VERIFY_PARAM_[set|add]_email()
used a wrong length when validating the local part of an email address.
This could cause the 64 octet limit on the local part of an email address
to be not enforced, or cause an out of bound read and potentially a crash.
The bug is reachable via S-MIME validation with a crafted From: address
supplied in an email message that can potentially cause a crash.
No FIPS modules are affected by this issue as the affected code is outside
the OpenSSL FIPS module boundary.
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-09 18:59 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://openssl-library.org/news/secadv/20260609.txt | vendor-advisory |
| https://github.com/openssl/openssl/commit/6cd1876… | patch |
Impacted products
Date Public
2026-06-09 14:00
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CVE-2026-42446 (GCVE-0-2026-42446)
Vulnerability from cvelistv5 – Published: 2026-05-12 19:19 – Updated: 2026-05-13 14:17
VLAI
EPSS
VEX
Title
NanaZip: Stack out-of-bounds read in NanaZip ZealFS bitmap parser
Summary
NanaZip is an open source file archive. From 5.0.1252.0 to before 6.0.1698.0, a stack-based out-of-bounds read exists in the ZealFS filesystem image parser in NanaZip. The vulnerability is triggered when opening a crafted ZealFS v1 filesystem image. An attacker-controlled BitmapSize field in the file header drives an unbounded loop that reads past the end of a stack-allocated ZEALFS_V1_HEADER structure. This vulnerability is fixed in 6.0.1698.0.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-13 14:17 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/M2Team/NanaZip/security/adviso… | x_refsource_CONFIRM |
Impacted products
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CVE-2026-42326 (GCVE-0-2026-42326)
Vulnerability from cvelistv5 – Published: 2026-06-10 21:25 – Updated: 2026-06-11 12:52
VLAI
EPSS
VEX
Title
ImageMagick: Heap Buffer Over-Read in IPTC encoder
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 6.9.13-47 and 7.1.2-22, when writing an IPTC output file a malicious input file could cause an out of bounds read of a single byte. This issue has been patched in versions 6.9.13-47 and 7.1.2-22.
Severity
5.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-11 12:52 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 6.9.13-47
Affected: < 7.1.2-22 |
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CVE-2026-42216 (GCVE-0-2026-42216)
Vulnerability from cvelistv5 – Published: 2026-05-07 04:01 – Updated: 2026-07-15 00:58
VLAI
EPSS
VEX
Title
OpenEXR: Out-of-bounds read in `IDManifest::init()` during prefix expansion
Summary
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From versions 3.0.0 to before 3.2.9, 3.3.0 to before 3.3.11, and 3.4.0 to before 3.4.11, IDManifest::init() reconstructs strings from a prefix-compressed representation. If the previous string is longer than 255 bytes, the next string is expected to begin with a 2-byte prefix length. The code reads stringList[i][0] and stringList[i][1] without checking that the current string has at least two bytes. This issue has been patched in versions 3.2.9, 3.3.11, and 3.4.11.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-07 14:12 UTC
Assigner
References
10 references
| URL | Tags |
|---|---|
| https://github.com/AcademySoftwareFoundation/open… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/CVE-2026-42216 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2467633 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:39024 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:38499 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:39027 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:39026 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:39025 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:38498 | vendor-advisoryx_refsource_REDHAT |
Impacted products
10 products
| Vendor | Product | Version | |
|---|---|---|---|
| AcademySoftwareFoundation | openexr |
Affected:
>= 3.0.0, < 3.2.9
Affected: >= 3.3.0, < 3.3.11 Affected: >= 3.4.0, < 3.4.11 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
Unaffected:
0:3.1.10-8.el10_2.3 , < *
(rpm)
cpe:/o:redhat:enterprise_linux:10.2 |
|
| Red Hat | Red Hat Enterprise Linux 10.0 Extended Update Support |
Unaffected:
0:3.1.10-8.el10_0.3 , < *
(rpm)
cpe:/o:redhat:enterprise_linux_eus:10.0 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
Unaffected:
0:3.1.1-3.el9_8.3 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:9 |
|
| Red Hat | Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions |
Unaffected:
0:3.1.1-2.el9_2.4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.2 |
|
| Red Hat | Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions |
Unaffected:
0:3.1.1-2.el9_4.4 , < *
(rpm)
cpe:/a:redhat:rhel_e4s:9.4 |
|
| Red Hat | Red Hat Enterprise Linux 9.6 Extended Update Support |
Unaffected:
0:3.1.1-3.el9_6.3 , < *
(rpm)
cpe:/a:redhat:rhel_eus:9.6 |
|
| Red Hat | Red Hat Enterprise Linux 6 |
cpe:/o:redhat:enterprise_linux:6
|
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7
|
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8
|
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CVE-2026-41703 (GCVE-0-2026-41703)
Vulnerability from cvelistv5 – Published: 2026-07-30 12:39 – Updated: 2026-07-30 15:09
VLAI
EPSS
VEX
Title
Out-of-bounds read vulnerability
Summary
VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condition of the host process. On Workstation and Fusion, the impact of this vulnerability is restricted to information disclosure.
Severity
7.6 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-30 15:08 UTC
CWE
- CWE-125 - Out-of-bounds read
Assigner
References
1 reference
Impacted products
6 products
| Vendor | Product | Version | |
|---|---|---|---|
| VMware | Cloud Foundation |
Affected:
9.1.x.x
Affected: 9.0.x.x Affected: 5.x , < 5.2.3 (custom) |
|
| VMware | vSphere Foundation |
Affected:
9.1.x.x
Affected: 9.0.x.x |
|
| VMware | ESX |
Affected:
9.1.x.x , < ESXi-9.1.0.0-25370933
(custom)
Affected: 9.0.x.x , < ESXi-9.0.2.0100-25595025 (custom) Affected: 8.0 , < ESXi80U3i-25205845 (custom) |
|
| VMware | Workstation |
Affected:
25H2 , < 26H1
(custom)
|
|
| VMware | Fusion |
Affected:
25H2 , < 26H1
(custom)
|
|
| VMware | Telco Cloud Platform |
Affected:
5.1.x
Affected: 5.0.x |
Date Public
2026-07-29 04:30
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CVE-2026-41677 (GCVE-0-2026-41677)
Vulnerability from cvelistv5 – Published: 2026-04-24 17:17 – Updated: 2026-04-24 18:02
VLAI
EPSS
VEX
Title
rust-openssl: Out-of-bounds read in PEM password callback when user callback returns an oversized length
Summary
rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.0 to before 0.10.78, the *_from_pem_callback APIs did not validate the length returned by the user's callback. A password callback that returns a value larger than the buffer it was given can cause some versions of OpenSSL to over-read this buffer. OpenSSL 3.x is not affected by this. This vulnerability is fixed in 0.10.78.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-24 18:02 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/rust-openssl/rust-openssl/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rust-openssl | rust-openssl |
Affected:
>= 0.9.0, < 0.10.78
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CVE-2026-41607 (GCVE-0-2026-41607)
Vulnerability from cvelistv5 – Published: 2026-04-28 09:21 – Updated: 2026-08-26 12:05
VLAI
EPSS
VEX
Title
Apache Thrift: C++ JSON OOB read
Summary
Out-of-bounds Read vulnerability in Apache Thrift.
This issue affects Apache Thrift: before 0.23.0.
Users are recommended to upgrade to version 0.23.0, which fixes the issue.
Severity
6.5 (Medium)
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 14:24 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/lb4j0zyd5f3g36cos… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/04/28/2 | |
| https://access.redhat.com/security/cve/CVE-2026-41607 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2463412 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22423 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:21769 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:36882 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:24539 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14885 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22347 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23345 | vendor-advisoryx_refsource_REDHAT |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.23.0
(semver)
|
|
| Red Hat | Multicluster Global Hub 1.3.4 |
Unaffected:
1779212259 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.3::el9 |
|
| Red Hat | Multicluster Global Hub 1.5.6 |
Unaffected:
1778867753 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.5::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 |
Unaffected:
1782693386 , < *
(rpm)
cpe:/a:redhat:acm:2.14::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 |
Unaffected:
1780677003 , < *
(rpm)
cpe:/a:redhat:acm:2.15::el9 |
|
| Red Hat | Red Hat multicluster global hub 1.4.2 |
Unaffected:
1779579439 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.4::el9 |
|
| Red Hat | Red Hat multicluster global hub 1.6.0 |
Unaffected:
1780167118 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.6::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158391 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158343 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158374 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | OpenShift Service Mesh 2 |
cpe:/a:redhat:service_mesh:2
|
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3
|
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat OpenShift distributed tracing 3 |
cpe:/a:redhat:openshift_distributed_tracing:3
|
|
| Red Hat | Red Hat OpenShift GitOps |
cpe:/a:redhat:openshift_gitops:1
|
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CVE-2026-41604 (GCVE-0-2026-41604)
Vulnerability from cvelistv5 – Published: 2026-04-28 09:20 – Updated: 2026-08-26 12:04
VLAI
EPSS
VEX
Title
Apache Thrift: Swift Range crash in skip()
Summary
Out-of-bounds Read vulnerability in Apache Thrift.
This issue affects Apache Thrift: before 0.23.0.
Users are recommended to upgrade to version 0.23.0, which fixes the issue.
Severity
8.2 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-28 14:35 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
12 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/lb4j0zyd5f3g36cos… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/04/28/5 | |
| https://access.redhat.com/security/cve/CVE-2026-41604 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2463416 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
| https://access.redhat.com/errata/RHSA-2026:22423 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:21769 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:36882 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:24539 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:14885 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:22347 | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2026:23345 | vendor-advisoryx_refsource_REDHAT |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.23.0
(semver)
|
|
| Red Hat | Multicluster Global Hub 1.3.4 |
Unaffected:
1779212259 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.3::el9 |
|
| Red Hat | Multicluster Global Hub 1.5.6 |
Unaffected:
1778867753 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.5::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.14 |
Unaffected:
1782693386 , < *
(rpm)
cpe:/a:redhat:acm:2.14::el9 |
|
| Red Hat | Red Hat Advanced Cluster Management for Kubernetes 2.15 |
Unaffected:
1780677003 , < *
(rpm)
cpe:/a:redhat:acm:2.15::el9 |
|
| Red Hat | Red Hat multicluster global hub 1.4.2 |
Unaffected:
1779579439 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.4::el9 |
|
| Red Hat | Red Hat multicluster global hub 1.6.0 |
Unaffected:
1780167118 , < *
(rpm)
cpe:/a:redhat:multicluster_globalhub:1.6::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158391 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158343 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | Red Hat OpenShift distributed tracing 3.9.3 |
Unaffected:
1778158374 , < *
(rpm)
cpe:/a:redhat:openshift_distributed_tracing:3.9::el9 |
|
| Red Hat | OpenShift Service Mesh 2 |
cpe:/a:redhat:service_mesh:2
|
|
| Red Hat | Red Hat AI Inference Server |
cpe:/a:redhat:ai_inference_server:3
|
|
| Red Hat | Red Hat Enterprise Linux AI (RHEL AI) 3 |
cpe:/a:redhat:enterprise_linux_ai:3
|
|
| Red Hat | Red Hat OpenShift AI (RHOAI) |
cpe:/a:redhat:openshift_ai
|
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4
|
|
| Red Hat | Red Hat OpenShift distributed tracing 3 |
cpe:/a:redhat:openshift_distributed_tracing:3
|
|
| Red Hat | Red Hat OpenShift GitOps |
cpe:/a:redhat:openshift_gitops:1
|
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CVE-2026-41503 (GCVE-0-2026-41503)
Vulnerability from cvelistv5 – Published: 2026-04-24 19:41 – Updated: 2026-04-27 13:39
VLAI
EPSS
VEX
Title
BACnet Stack: Out-of-Bounds Read in ReadPropertyMultiple Property Decoder via Deprecated Tag Parser
Summary
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service property decoder allows unauthenticated remote attackers to read past allocated buffer boundaries by sending an RPM request with a truncated property list. The vulnerability stems from rpm_decode_object_property() calling the deprecated decode_tag_number_and_value() function at src/bacnet/rpm.c:344, which accepts no buffer length parameter and reads blindly from whatever pointer it receives. A crafted BACnet/IP packet with a 1-byte property payload containing an extended tag marker (0xF9) causes the decoder to read 1 byte past the end of the buffer, leading to crashes on embedded BACnet devices. The vulnerability exists in src/bacnet/rpm.c and affects any deployment that enables the ReadPropertyMultiple confirmed service handler (enabled by default in the reference server). This vulnerability is fixed in 1.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-27 13:39 UTC
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bacnet-stack/bacnet-stack/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bacnet-stack | bacnet-stack |
Affected:
>= 1.4.0, < 1.4.3
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CVE-2026-41502 (GCVE-0-2026-41502)
Vulnerability from cvelistv5 – Published: 2026-04-24 19:40 – Updated: 2026-04-25 01:53
VLAI
EPSS
VEX
Title
BACnet Stack: Off-by-One Out-of-Bounds Read in ReadPropertyMultiple Object ID Decoder
Summary
BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one out-of-bounds read vulnerability in bacnet-stack's ReadPropertyMultiple service decoder allows unauthenticated remote attackers to read one byte past an allocated buffer boundary by sending a crafted RPM request with a truncated object identifier. The vulnerability is in rpm_decode_object_id(), which checks apdu_len < 5 but then accesses all 6 byte positions (indices 0-5) — consuming 1 byte for the context tag, 4 bytes for the object ID, then reading apdu[5] for the opening tag check. A 5-byte input passes the length check but causes a 1-byte OOB read, leading to crashes on embedded BACnet devices. The vulnerability exists in src/bacnet/rpm.c and affects any deployment that enables the ReadPropertyMultiple confirmed service handler (enabled by default in the reference server). This vulnerability is fixed in 1.4.3.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-25 01:53 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/bacnet-stack/bacnet-stack/secu… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bacnet-stack | bacnet-stack |
Affected:
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Mitigation MIT-5
Implementation
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- To reduce the likelihood of introducing an out-of-bounds read, ensure that you validate and ensure correct calculations for any length argument, buffer size calculation, or offset. Be especially careful of relying on a sentinel (i.e. special character such as NUL) in untrusted inputs.
Mitigation
Architecture and Design
Strategy: Language Selection
Use a language that provides appropriate memory abstractions.
CAPEC-540: Overread Buffers
An adversary attacks a target by providing input that causes an application to read beyond the boundary of a defined buffer. This typically occurs when a value influencing where to start or stop reading is set to reflect positions outside of the valid memory location of the buffer. This type of attack may result in exposure of sensitive information, a system crash, or arbitrary code execution.