Common Weakness Enumeration
CWE-126
AllowedBuffer Over-read
Abstraction: Variant · Status: Draft
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
954 vulnerabilities reference this CWE, most recent first.
CVE-2025-21176 (GCVE-0-2025-21176)
Vulnerability from cvelistv5 – Published: 2025-01-14 18:04 – Updated: 2026-06-09 18:29
VLAI
EPSS
VEX
Title
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Summary
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-28 04:55 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
| https://www.herodevs.com/vulnerability-directory/… |
Impacted products
17 products
Date Public
2025-01-14 08:00
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CVE-2025-12745 (GCVE-0-2025-12745)
Vulnerability from cvelistv5 – Published: 2025-11-05 18:32 – Updated: 2025-11-05 19:26 X_Open Source
VLAI
EPSS
VEX
Title
QuickJS quickjs.c js_array_buffer_slice buffer over-read
Summary
A weakness has been identified in QuickJS up to eb2c89087def1829ed99630cb14b549d7a98408c. This affects the function js_array_buffer_slice of the file quickjs.c. This manipulation causes buffer over-read. The attack is restricted to local execution. The exploit has been made available to the public and could be exploited. This product adopts a rolling release strategy to maintain continuous delivery Patch name: c6fe5a98fd3ef3b7064e6e0145dfebfe12449fea. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-11-05 18:50 UTC
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.331268 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.331268 | signaturepermissions-required |
| https://vuldb.com/?submit.678850 | third-party-advisory |
| https://github.com/bellard/quickjs/issues/451 | issue-tracking |
| https://github.com/bellard/quickjs/issues/451#iss… | issue-tracking |
| https://github.com/bellard/quickjs/issues/451#iss… | exploitissue-tracking |
| https://github.com/bellard/quickjs/commit/c6fe5a9… | patch |
Impacted products
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CVE-2025-12106 (GCVE-0-2025-12106)
Vulnerability from cvelistv5 – Published: 2025-12-01 12:43 – Updated: 2025-12-01 18:50
VLAI
EPSS
VEX
Summary
Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-12-01 18:49 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://community.openvpn.net/Security%20Announce… | vendor-advisory |
| https://www.mail-archive.com/openvpn-announce@lis… | release-notes |
Impacted products
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CVE-2025-11961 (GCVE-0-2025-11961)
Vulnerability from cvelistv5 – Published: 2025-12-31 00:56 – Updated: 2026-01-02 14:38
VLAI
EPSS
VEX
Title
OOBR and OOBW in pcap_ether_aton() in libpcap
Summary
pcap_ether_aton() is an auxiliary function in libpcap, it takes a string argument and returns a fixed-size allocated buffer. The string argument must be a well-formed MAC-48 address in one of the supported formats, but this requirement has been poorly documented. If an application calls the function with an argument that deviates from the expected format, the function can read data beyond the end of the provided string and write data beyond the end of the allocated buffer.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-02 14:23 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/the-tcpdump-group/libpcap/comm… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Tcpdump Group | libpcap |
Affected:
0 , < 1.10.6
(semver)
|
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CVE-2025-11617 (GCVE-0-2025-11617)
Vulnerability from cvelistv5 – Published: 2025-10-10 17:10 – Updated: 2025-10-10 19:13
VLAI
EPSS
VEX
Title
Buffer Over-read when receiving IPv6 packets with incorrect payload length in FreeRTOS-Plus-TCP
Summary
A missing validation check in FreeRTOS-Plus-TCP's IPv6 packet processing code can lead to an out-of-bounds read when receiving a IPv6 packet with incorrect payload lengths in the packet header. This issue only affects applications using IPv6.
We recommend users upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-10 19:13 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/rel… | patchproduct |
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
| https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/sec… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AWS | FreeRTOS-Plus-TCP |
Affected:
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CVE-2025-11616 (GCVE-0-2025-11616)
Vulnerability from cvelistv5 – Published: 2025-10-10 17:10 – Updated: 2025-10-10 20:32
VLAI
EPSS
VEX
Title
Buffer Over-read when receiving improperly sized ICMPv6 packets in FreeRTOS-Plus-TCP
Summary
A missing validation check in FreeRTOS-Plus-TCP's ICMPv6 packet processing code can lead to an out-of-bounds read when receiving ICMPv6 packets of certain message types which are smaller than the expected size. These issues only affect applications using IPv6.
Users should upgrade to the latest version and ensure any forked or derivative code is patched to incorporate the new fixes.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-10 20:31 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/rel… | patchproduct |
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
| https://github.com/FreeRTOS/FreeRTOS-Plus-TCP/sec… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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| AWS | FreeRTOS-Plus_TCP |
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CVE-2025-7745 (GCVE-0-2025-7745)
Vulnerability from cvelistv5 – Published: 2025-07-24 07:09 – Updated: 2025-07-24 13:17
VLAI
EPSS
VEX
Title
Modbus TCP buffer overread
Summary
Buffer Over-read vulnerability in ABB AC500 V2.This issue affects AC500 V2: through 2.5.2.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-07-24 13:17 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
1 reference
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CVE-2025-4582 (GCVE-0-2025-4582)
Vulnerability from cvelistv5 – Published: 2025-09-23 17:51 – Updated: 2026-04-01 01:08
VLAI
EPSS
VEX
Title
Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers.
Summary
Buffer Over-read, Off-by-one Error vulnerability in RTI Connext Professional (Core Libraries) allows File Manipulation, Overread Buffers.This issue affects Connext Professional: from 7.4.0 before 7.6.0, from 7.0.0 before 7.3.0.8, from 6.1.0 before 6.1.2.26, from 6.0.0 before 6.0.1.43, from 5.3.0 before 5.3.*, from 4.4a before 5.2.*.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-09-23 18:29 UTC
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RTI | Connext Professional |
Affected:
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Date Public
2025-09-16 07:52
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CVE-2025-4207 (GCVE-0-2025-4207)
Vulnerability from cvelistv5 – Published: 2025-05-08 14:22 – Updated: 2025-05-09 18:03
VLAI
EPSS
VEX
Title
PostgreSQL GB18030 encoding validation can read one byte past end of allocation for text that fails validation
Summary
Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte over-read can elicit process termination. This affects the database server and also libpq. Versions before PostgreSQL 17.5, 16.9, 15.13, 14.18, and 13.21 are affected.
Severity
5.9 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-08 14:52 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | PostgreSQL |
Affected:
17 , < 17.5
(rpm)
Affected: 16 , < 16.9 (rpm) Affected: 15 , < 15.13 (rpm) Affected: 14 , < 14.18 (rpm) Affected: 0 , < 13.21 (rpm) |
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CVE-2024-57970 (GCVE-0-2024-57970)
Vulnerability from cvelistv5 – Published: 2025-02-16 00:00 – Updated: 2025-02-18 17:05
VLAI
EPSS
VEX
Summary
libarchive through 3.7.7 has a heap-based buffer over-read in header_gnu_longlink in archive_read_support_format_tar.c via a TAR archive because it mishandles truncation in the middle of a GNU long linkname.
Severity
4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-18 14:31 UTC
CWE
- CWE-126 - Buffer Over-read
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| libarchive | libarchive |
Affected:
0 , ≤ 3.7.7
(semver)
cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:* |
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"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*",
"versionEndIncluding": "3.7.7",
"vulnerable": true
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"descriptions": [
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"value": "libarchive through 3.7.7 has a heap-based buffer over-read in header_gnu_longlink in archive_read_support_format_tar.c via a TAR archive because it mishandles truncation in the middle of a GNU long linkname."
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"metrics": [
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"baseScore": 4,
"baseSeverity": "MEDIUM",
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"version": "3.1"
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}
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"descriptions": [
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"cweId": "CWE-126",
"description": "CWE-126 Buffer Over-read",
"lang": "en",
"type": "CWE"
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"providerMetadata": {
"dateUpdated": "2025-02-16T03:26:41.341Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
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"references": [
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}
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"cveMetadata": {
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"cveId": "CVE-2024-57970",
"datePublished": "2025-02-16T00:00:00.000Z",
"dateReserved": "2025-02-16T00:00:00.000Z",
"dateUpdated": "2025-02-18T17:05:13.914Z",
"state": "PUBLISHED"
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.