How to Fix CVE-2026-6846: Red Hat Enterprise Linux 10 (Bundle Sibling)
By Sai Kiran Pandrala
Last verified: 2026-05-25
CVE-2026-6846 is a sibling vulnerability in the same vendor advisory as CVE-2026-2708. Applying the patched build named in the primary write-up closes this CVE as well.
| Severity | CVSS 7.8 - High |
|---|---|
| Actively exploited? | Not currently in CISA KEV |
| Affected | Same as the bundle - see CVE-2026-2708 |
| Fixed in | Same patched build as CVE-2026-2708 (See vendor advisory) |
| Type (CWE) | CWE-122: Heap-based Buffer Overflow |
What's different about 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.
The technical impact and remediation are identical to the primary CVE in the bundle. The same vendor patch closes both.
How to fix CVE-2026-6846
Apply the patched build per the primary write-up: How to Fix CVE-2026-2708.
The patch installation procedure, verification commands, and interim mitigations are documented there. Reusing one runbook keeps the rollout consistent across the bundle.
Frequently asked questions
Is CVE-2026-6846 fixed by the same patch as CVE-2026-2708?
Yes. CVE-2026-6846 ships in the same vendor advisory as CVE-2026-2708. Applying the patched build named in the primary write-up closes both.
What is the CVSS score for CVE-2026-6846?
The CVSS base score is 7.8 (High).
Is it being exploited?
It is not currently listed in CISA KEV.
References
- Official vendor advisory: https://access.redhat.com/security/cve/CVE-2026-6846
- NVD entry: https://nvd.nist.gov/vuln/detail/CVE-2026-6846
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary write-up: How to Fix CVE-2026-2708
*Part of the Red Hat Enterprise Linux 10 bundle. Full procedure at CVE-2026-2708.*