Buffer overflow in Gnu Binutils
CVE-2025-5244
A vulnerability was found in GNU Binutils up to 2.44. It has been rated as critical. Affected by this issue is the function elf_gc_sweep of the file bfd/elflink.c of the component ld. The manipulation leads to memory corruption. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 2.45 is able to address this issue. It is recommended to upgrade the affected component.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (15.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Gnu Binutils — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-310346 | GNU Binutils ld elflink.c elf_gc_sweep memory corruption (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-310346 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #584634 | GNU Binutils ld 2.44 Memory Corruption (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (issue-tracking, Exploit, Issue Tracking)
- cna@vuldb.com (exploit, Broken Link)
- cna@vuldb.com (Patch, patch)
- cna@vuldb.com (Product, product, broken-link)
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
- 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
Frequently asked questions
- What is CVE-2025-5244?
- CVE-2025-5244 is a medium-severity vulnerability in Gnu Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.3/10. Published 2025-05-27.
- How severe is CVE-2025-5244?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2025-5244 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.