What is CVE-2025-1179?

CVE-2025-1179 is a medium-severity vulnerability in GNU Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.0/10. Published 2025-02-11.

How severe is CVE-2025-1179?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Is CVE-2025-1179 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in GNU Binutils

CVE-2025-1179

A vulnerability was found in GNU Binutils 2.43. It has been rated as critical. Affected by this issue is the function bfd_putl64 of the file bfd/libbfd.c of the component ld. The manipulation leads to memory corruption. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 2.44 is able to address this issue. It is recommended to upgrade the affected component. The code maintainer explains, that "[t]his bug has been fixed at some point between the 2.43 and 2.44 releases".

Vulnerability class: Buffer Overflow

Published 2025-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (44.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: +0.000

Affected products

GNU Binutils — versions 2.43

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

Public proof-of-concept exploits

References

vuldb.com/ (Permissions Required, technical-description, VDB Entry, vdb-entry)
vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
vuldb.com/ (Exploit, VDB Entry, Third Party Advisory, third-party-advisory)
sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, Issue Tracking)
sourceware.org/bugzilla/attachment.cgi (Exploit, Third Party Advisory, exploit, Issue Tracking)
sourceware.org/bugzilla/show_bug.cgi (issue-tracking, Exploit, patch, Issue Tracking)
www.gnu.org/ (Product, product)

Frequently asked questions

What is CVE-2025-1179?: CVE-2025-1179 is a medium-severity vulnerability in GNU Binutils, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.0/10. Published 2025-02-11.
How severe is CVE-2025-1179?: Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2025-1179 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.