Review reviewHigh

CVE-2026-6846

Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6

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: 7.8
EPSS: 0.17%
CISA KEV: Not listed
Published: 2026.04.22

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.17%

Technical severityCVSS 7.8

Vulnerability overview

Affected product and versions

Product: Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6
Affected versions: <= 2.46, 4.0, 6.0, 8.0, 9.0, 10.0
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Red Hat Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE: CWE-122