CVE-2026-6846
HIGHBinutils: binutils: arbitrary code execution via malformed xcoff object file processing
Title source: cnaDescription
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.
References (5)
Core 5
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:33527
https://access.redhat.com/errata/RHSA-2026:33527
Vendor Advisory vendor-advisory
x_refsource_redhat
RHSA-2026:39022
https://access.redhat.com/errata/RHSA-2026:39022
Vdb Entry, X_Refsource_Redhat vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-6846
Issue Tracking, X_Refsource_Redhat issue-tracking
x_refsource_redhat
RHBZ#2460006
https://bugzilla.redhat.com/show_bug.cgi?id=2460006
Scores
CVSS v3
7.8
EPSS
0.0017
EPSS Percentile
6.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-122
Status
published
Products (16)
gnu/binutils
< 2.46
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat Hardened Images
2.45.1-5.1.hum1
Red Hat/Red Hat Hardened Images
2.46.1-1.hum1
Red Hat/Red Hat OpenShift Container Platform 4
... and 6 more
Published
Apr 22, 2026
Tracked Since
Apr 22, 2026