CVE-2025-11495 MEDIUM

CVE-2025-11495: GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow

Vendor Gnu
Product Binutils
Weakness CWE-122
Published October 8, 2025
Last update May 12, 2026

CVSS base score

4.8/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

A vulnerability was determined in GNU Binutils 2.45. The affected element is the function elf_x86_64_relocate_section of the file elf64-x86-64.c of the component Linker. This manipulation causes heap-based buffer overflow. The attack can only be executed locally. The exploit has been publicly disclosed and may be utilized. Patch name: 6b21c8b2ecfef5c95142cbc2c32f185cb1c26ab0. To fix this issue, it is recommended to deploy a patch.

Key dates

02Disclosure timeline

October 8, 2025 CVE published
May 12, 2026 Record updated