CVE-2025-0840

Publication date 29 January 2025

Last updated 30 April 2025

Ubuntu priority

Cvss 3 Severity Score

A vulnerability, which was classified as problematic, was found in GNU Binutils up to 2.43. This affects the function disassemble_bytes of the file binutils/objdump.c. The manipulation of the argument buf leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. The identifier of the patch is baac6c221e9d69335bf41366a1c7d87d8ab2f893. It is recommended to upgrade the affected component.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	25.04 plucky	Not affected
	24.10 oracular	Fixed 2.43.1-4ubuntu1.1
	24.04 LTS noble	Fixed 2.42-4ubuntu2.4
	22.04 LTS jammy	Fixed 2.38-4ubuntu2.7
	20.04 LTS focal	Fixed 2.34-6ubuntu1.10
	18.04 LTS bionic	Fixed 2.30-21ubuntu1~18.04.9+esm4 Ubuntu Pro
	16.04 LTS xenial	Fixed 2.26.1-1ubuntu1~16.04.8+esm11 Ubuntu Pro
	14.04 LTS trusty	Needs evaluation

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Notes

seth-arnold

binutils isn't safe for untrusted inputs.

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H