CVE-2025-11494: GNU Binutils Linker elfxx-x86.c _bfd_x86_elf_late_size_sections out-of-bounds

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-10-08 · updated 2026-10-08
Weakness: CWE-119

Description

A vulnerability was found in GNU Binutils 2.45. Impacted is the function _bfd_x86_elf_late_size_sections of the file bfd/elfxx-x86.c of the component Linker. The manipulation results in out-of-bounds read. The attack needs to be approached locally. The exploit has been made public and could be used. The patch is identified as b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a. A patch should be applied to remediate this issue.

Affected products

GNU Binutils: 2.45

References

https://sourceware.org/bugzilla/attachment.cgi?id=16389
https://sourceware.org/bugzilla/show_bug.cgi?id=33499
https://sourceware.org/bugzilla/show_bug.cgi?id=33499#c2
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a
https://vuldb.com/?ctiid.327619
https://vuldb.com/?id.327619
https://vuldb.com/?submit.668281
https://www.gnu.org/
https://cert-portal.siemens.com/productcert/html/ssa-082556.html

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