What is CVE-2026-6846?

CVE-2026-6846 is a high-severity vulnerability in Gnu Binutils, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-04-22.

How severe is CVE-2026-6846?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Gnu Binutils

CVE-2026-6846

A flaw was found in binutils. A heap-buffer-overflow vulnerability exists when processing a specially crafted XCOFF (Extended Common Object File Format) object file during linking. A local attacker could trick a user into processing this m…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2026-6846?: CVE-2026-6846 is a high-severity vulnerability in Gnu Binutils, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-04-22.
How severe is CVE-2026-6846?: High severity. CVSS v3 base score is 7.8 out of 10.