5.0 Medium

CVE-2026-6845 Binutils: binutils: denial of service via crafted elf file

Description

A flaw was found in binutils, specifically within the `readelf` utility. This vulnerability allows a local attacker to cause a Denial of Service (DoS) by tricking a user into processing a specially crafted Executable and Linkable Format (ELF) file. The exploitation of this flaw can lead to the system becoming unresponsive due to excessive resource consumption or a program crash.

CVSS 3.1 detail

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

Exploitable with local access to the machine, with an ordinary 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: Low
Interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: None
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
Red Hat OpenShift AI (RHOAI)	Versions not published

References

RHSA-2026:34924 access.redhat.com
RHSA-2026:39022 access.redhat.com
access.redhat.com access.redhat.com
RHBZ#2460012 bugzilla.redhat.com

Timeline

Published April 22, 2026
Last modified November 6, 2026

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