CVE-2025-11083

A vulnerability has been found in GNU Binutils 2.45. The affected element is the function elf_swap_shdr in the library bfd/elfcode.h of the component Linker. The manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. The identifier of the patch is 9ca499644a21ceb3f946d1c179c38a83be084490. To fix this issue, it is recommended to deploy a patch. The code maintainer replied with "[f]ixed for 2.46".

CVSS 4.0

1.9CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.3% chance of exploitation in the next 30 days; higher than 17% of CVEs (scores of 2026-10-25)

CWEs

CWE-119, CWE-122

Published

2025-09-27

Modified

2026-10-09

Record from

the NVD, synced 2026-10-19

Affected

• gnu:binutils

References

• https://sourceware.org/bugzilla/attachment.cgi?id=16353
• https://sourceware.org/bugzilla/show_bug.cgi?id=33457
• https://sourceware.org/bugzilla/show_bug.cgi?id=33457#c1
• https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9ca499644a21ceb3f946d1c179c38a83be084490
• https://vuldb.com/?ctiid.326124

Check your stackJSON