What is CVE-2026-90830?

CVE-2026-90830 is a medium-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-09-14.

How severe is CVE-2026-90830?

Medium severity. CVSS v3 base score is 5.3 out of 10.

NULL pointer dereference in GNU Binutils

CVE-2026-90830

A security vulnerability has been detected in GNU Binutils 2.47. Impacted is the function _bfd_write_merged_section of the file bfd/merge.c of the component Section Merge. The manipulation leads to null pointer dereference. The attack needs to be performed locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through a bug report but has not responded yet.

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 2.47

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking)
cna@vuldb.com (exploit)
cna@vuldb.com (product, broken-link)

Frequently asked questions

What is CVE-2026-90830?: CVE-2026-90830 is a medium-severity vulnerability in GNU Binutils, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-09-14.
How severe is CVE-2026-90830?: Medium severity. CVSS v3 base score is 5.3 out of 10.