CVE-2025-11495
binutils: GNU Binutils Linker heap-based overflow
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 9, 2025
Updated · September 1, 2026
Description
A heap based buffer overflow flaw has been discovered in the GNU Binutils package. 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.
Statement
Red Hat rates this vulnerability as Low as a result of how the GNU Binutils are configured to be used in Red Hat products. When running with default configurations the affected program will have limited privileges and thus the availability impact of this flaw will be restricted.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-805 · Buffer Access with Incorrect Length Value