CVE-2026-6846
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.
Key facts
- CVSS score
- 7.8 (v3.1)
- Severity
- HIGH
- CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H- Weakness (CWE)
- CWE-122
- EPSS score
- 0.2% (9th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2026-24714)
- Published
- April 22, 2026
- NVD last modified
- September 1, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2026-24714 in the EU Vulnerability Database. Last updated in EUVD on September 1, 2026.
View on the EU Vulnerability DatabaseAffected products
- gnu / binutils
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / enterprise linux
- redhat / hardened images
- redhat / openshift container platform
Certified products that may be affected
31 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.
- Red Hat Enterprise Linux 8 NSS Cryptographic Module - Red Hat, Inc. - FIPS 140 5513 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, LLC - FIPS 140 5461 - active
- Red Hat Enterprise Linux 9 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5445 - active
- Red Hat Enterprise Linux 9 libgcrypt - Red Hat, Inc. - FIPS 140 5366 - active
- Red Hat Enterprise Linux 8 Kernel Cryptographic API - Red Hat, Inc. - FIPS 140 5089 - active
See all 31 in the Security Certifications Explorer.
References
- https://access.redhat.com/errata/RHSA-2026:33527
- https://access.redhat.com/errata/RHSA-2026:39022
- https://access.redhat.com/security/cve/CVE-2026-6846(Third Party Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=2460006(Issue Tracking, Third Party Advisory)
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-6846.json
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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