CVE-2025-7545

Publication date 13 July 2025

Last updated 1 December 2025

Ubuntu priority

Cvss 3 Severity Score

Description

A vulnerability classified as problematic was found in GNU Binutils 2.45. Affected by this vulnerability is the function copy_section of the file binutils/objcopy.c. The manipulation leads to heap-based buffer overflow. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The patch is named 08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944. It is recommended to apply a patch to fix this issue.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
binutils	25.10 questing	Not affected
	25.04 plucky	Fixed 2.44-3ubuntu1.1
	24.04 LTS noble	Fixed 2.42-4ubuntu2.6
	22.04 LTS jammy	Fixed 2.38-4ubuntu2.10
	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+esm12
	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/gitweb.cgi?p=binutils-gdb.git;h=08c3cbe5926e4d355b5cb70bbec2b1eeb40c2944

Severity score breakdown

Parameter	Value
Base score	5.3 · Medium
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	Low
Availability impact	Low
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

Related Ubuntu Security Notices (USN)

USN-7718-1
GNU binutils vulnerability
26 August 2025

USN-7847-1
GNU binutils vulnerabilities
29 October 2025

USN-7899-1
GNU binutils vulnerabilities
1 December 2025