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Vulnerability · Published Oct 8, 2025 · Assigned by VulDB

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

Low 3.3

In plain English

A low-severity heap buffer overflow in Binutils from GNU. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 84.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12binutilsno fix listedDEBIAN-CVE-2025-11495
Debian:13binutilsno fix listedDEBIAN-CVE-2025-11495
Debian:14binutils2.46-1DEBIAN-CVE-2025-11495
Ubuntu:22.04:LTSbinutilsno fix listedUBUNTU-CVE-2025-11495
Ubuntu:24.04:LTSbinutilsno fix listedUBUNTU-CVE-2025-11495
Ubuntu:25.10binutils2.45-7ubuntu1.2UBUNTU-CVE-2025-11495

Affected products (as reported)

VendorProductVersions
GNU Binutils 2.45

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References