CVE-2025-11839

Publication date 16 October 2025

Last updated 1 December 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A security flaw has been discovered in GNU Binutils 2.45. Impacted is the function tg_tag_type of the file prdbg.c. Performing manipulation results in unchecked return value. The attack needs to be approached locally. The exploit has been released to the public and may be exploited.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	25.10 questing	Fixed 2.45-7ubuntu1.1
	25.04 plucky	Fixed 2.44-3ubuntu1.2
	24.04 LTS noble	Fixed 2.42-4ubuntu2.7
	22.04 LTS jammy	Fixed 2.38-4ubuntu2.11
	20.04 LTS focal	Fixed 2.34-6ubuntu1.11+esm1
	18.04 LTS bionic	Fixed 2.30-21ubuntu1~18.04.9+esm5
	16.04 LTS xenial	Fixed 2.26.1-1ubuntu1~16.04.8+esm13
	14.04 LTS trusty	Fixed 2.24-5ubuntu14.2+esm7

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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/?p=binutils-gdb.git;a=patch;h=12ef7d5b7b02d0023db645d86eb9d0797bc747fe

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-7899-1
GNU binutils vulnerabilities
1 December 2025