CVE-2026-6846
highA flaw was found in binutils.
Vendor / product: Gnu — binutils
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
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-04-22 09:16
Modified: 2026-11-05 00:17
NVD status: Modified
Last synced 56 minutes ago
Verified against the source API 2026-11-05 00:39 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
gnu / binutils ≤2.46
redhat / hardened_images all versions
redhat / openshift_container_platform 4.0
redhat / enterprise_linux 6.0, 8.0, 9.0, 10.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/errata/RHSA-2026:33527 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:39022 secalert@redhat.com
- https://access.redhat.com/security/cve/CVE-2026-6846 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2460006 secalert@redhat.com
- https://access.redhat.com/errata/RHSA-2026:33527 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- https://access.redhat.com/security/cve/CVE-2026-6846 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- https://bugzilla.redhat.com/show_bug.cgi?id=2460006 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6846.json 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Data sources
NVD CVE API 2.0 — fetched 2026-11-05 00:39 UTC · record ↗