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Vulnerability record · CVE-2025-11495 · published 8 October 2025

CVE-2025-11495: Gnu binutils memory buffer overflow vulnerability

Gnu · Binutils

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.

1.9 CVSS 4.0 Low EPSS 0.24% · top 86.6% CWE-119 · Memory buffer overflowCWE-122 · Heap-based buffer overflow
1.9CVSS 4.0 base score, v2 1.7
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://sourceware.org/bugzilla/attachment.cgi?id=16393 Broken Link
https://sourceware.org/bugzilla/show_bug.cgi?id=33502 ExploitIssue Tracking
https://sourceware.org/bugzilla/show_bug.cgi?id=33502#c3 ExploitIssue Tracking
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0 Patch
https://vuldb.com/?ctiid.327620 Permissions RequiredVDB Entry
https://vuldb.com/?id.327620 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.668290 Third Party AdvisoryVDB Entry
https://www.gnu.org/ Product
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-11495), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.