What is CVE-2025-1149?

CVE-2025-1149 is a low-severity vulnerability in GNU Binutils, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.1/10. Published 2025-02-10.

How severe is CVE-2025-1149?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2025-1149 known to be exploited?

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

Vulnerability in GNU Binutils

CVE-2025-1149

A vulnerability was found in GNU Binutils 2.43. It has been classified as problematic. This affects the function xstrdup of the file libiberty/xmalloc.c of the component ld. The manipulation leads to memory leak. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The code maintainer explains: "I'm not going to commit some of the leak fixes I've been working on to the 2.44 branch due to concern that would destabilise ld. All of the reported leaks in this bugzilla have been fixed on binutils master."

Published 2025-02-10 · last modified 2026-06-17.

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.006 (45.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.3% 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)

Public proof-of-concept exploits

References

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

Frequently asked questions

What is CVE-2025-1149?: CVE-2025-1149 is a low-severity vulnerability in GNU Binutils, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 3.1/10. Published 2025-02-10.
How severe is CVE-2025-1149?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-1149 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.