7.8 High

CVE-2026-6846 Binutils: binutils: arbitrary code execution via malformed xcoff object file processing

Description

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.

CVSS 3.1 detail

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitable with local access to the machine, without an account and if a user takes an action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector: Local
Attack complexity: Low
Privileges required: None
Interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Affected products and versions

Product	Affected versions	Fixed in
Red Hat Enterprise Linux 10	Versions not published
Red Hat Enterprise Linux 6	Versions not published
Red Hat Enterprise Linux 7	Versions not published
Red Hat Enterprise Linux 8	Versions not published
Red Hat Enterprise Linux 9	Versions not published
Red Hat Hardened Images 2.46	earliest → < 2.46.1-1.hum1	2.46.1-1.hum1
Red Hat OpenShift Container Platform 4	Versions not published

References

RHSA-2026:33527 access.redhat.com
RHSA-2026:39022 access.redhat.com
access.redhat.com access.redhat.com
RHBZ#2460006 bugzilla.redhat.com

Timeline

Published April 22, 2026
Last modified November 4, 2026

The 1455 CVEs of Red Hat Enterprise Linux 10 →

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