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CVE-2026-6846

Binutils: binutils: arbitrary code execution via malformed xcoff object file processing

Published: 4/22/2026 Last updated: 7/15/2026 Reserved: 4/22/2026

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 7.8 High CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Opam packages affected (3)

bap-std clangml conf-binutils

Products affected (43)

Product Vendor Version
Red Hat Enterprise Linux 7 Red Hat < 7.50
Red Hat Enterprise Linux 10 Red Hat < 2021
Red Hat Enterprise Linux 7 Red Hat 1.00.10
Red Hat Enterprise Linux 10 Red Hat < n/a
Red Hat Enterprise Linux 8 Red Hat < tvOS 13
Red Hat Enterprise Linux 6 Red Hat < 7.40
Red Hat Enterprise Linux 9 Red Hat Android-11
Red Hat Enterprise Linux 9 Red Hat < publication
Red Hat Enterprise Linux 6 Red Hat < 14.0.1.20
Red Hat Hardened Images Red Hat < 7.5
Red Hat Hardened Images Red Hat < 11.4
Red Hat Hardened Images Red Hat < 10.0.26100.6899
Red Hat Hardened Images Red Hat < 10.0.26100.6899
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 9 Red Hat < publication
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat < iTunes for Windows 12.10.1
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 8 Red Hat < iCloud for Windows 10.7
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 10 Red Hat < 2021
Red Hat Enterprise Linux 10 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat < iCloud for Windows 7.14
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat < publication
Red Hat Enterprise Linux 8 Red Hat 9.1.4
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat Android-10
Red Hat Enterprise Linux 10 Red Hat < 7.30
Red Hat Enterprise Linux 7 Red Hat n/a
Red Hat Enterprise Linux 7 Red Hat < 1.2.11
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 10 Red Hat 7.3 E0506P09 and earlier
Red Hat Enterprise Linux 9 Red Hat < publication
Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Enterprise Linux 8 Red Hat < publication
Red Hat Enterprise Linux 9 Red Hat < publication
Red Hat Enterprise Linux 10 Red Hat n/a
Red Hat Enterprise Linux 10 Red Hat < 7.31
Red Hat Enterprise Linux 9 Red Hat 11.0.0
Red Hat OpenShift Container Platform 4 Red Hat 4.0.0
Red Hat OpenShift Container Platform 4 Red Hat n/a

References (16)

Credits (2)