Buffer overflow in GNU Binutils
CVE-2025-11495
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (13.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- GNU Binutils — versions 2.45
Weakness classification (CWE)
References
- VDB-327620 | GNU Binutils Linker elf64-x86-64.c elf_x86_64_relocate_section heap-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-327620 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #668290 | GNU Binutils 2.45 Heap-based Buffer Overflow (Third Party Advisory, VDB Entry, third-party-advisory)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
- sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
- sourceware.org/bugzilla/attachment.cgi (exploit, Broken Link)
- sourceware.org/git/gitweb.cgi (Patch, patch)
- www.gnu.org/ (Product, product)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-11495?
- CVE-2025-11495 is a low-severity vulnerability in GNU Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 3.3/10. Published 2025-10-08.
- How severe is CVE-2025-11495?
- Low severity. CVSS v3 base score is 3.3 out of 10.