CVE-2026-6846: GNU Binutils

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

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 malicious file, which could lead to arbitrary code execution, allowing the attacker to run unauthorized commands, or cause a denial of service, making the system unavailable.

Affected products

• GNU Binutils: up to and including 2.46
• Red Hat Enterprise Linux: version 6.0 only; version 8.0 only; version 9.0 only; version 10.0 only
• Red Hat Hardened Images: affected versions not specified
• Red Hat Openshift Container Platform: version 4.0 only

Published 2026-04-22. Last modified 2026-09-01.