CVE-2025-11494

Publication date 8 October 2025

Last updated 10 December 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	25.10 questing	Fixed 2.45-7ubuntu1.2
	25.04 plucky	Fixed 2.44-3ubuntu1.3
	24.04 LTS noble	Fixed 2.42-4ubuntu2.8
	22.04 LTS jammy	Fixed 2.38-4ubuntu2.12
	20.04 LTS focal	Fixed 2.34-6ubuntu1.11+esm2
	18.04 LTS bionic	Fixed 2.30-21ubuntu1~18.04.9+esm13
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected

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Notes

seth-arnold

binutils isn't safe for untrusted inputs.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
binutils	Upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=b6ac5a8a5b82f0ae6a4642c8d7149b325f4cc60a

Severity score breakdown

Parameter	Value
Base score	3.3 · Low
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

USN-7919-1
GNU binutils vulnerabilities
10 December 2025