Vulnerability Description
log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Clusterlabs | Libqb | < 2.0.8 |
Related Weaknesses (CWE)
References
- https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521Patch
- https://github.com/ClusterLabs/libqb/compare/v2.0.7...v2.0.8Not Applicable
- https://github.com/ClusterLabs/libqb/pull/490Patch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521Patch
- https://github.com/ClusterLabs/libqb/compare/v2.0.7...v2.0.8Not Applicable
- https://github.com/ClusterLabs/libqb/pull/490Patch
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2023-39976?
CVE-2023-39976 is a vulnerability with a CVSS score of 9.8 (CRITICAL). log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.
How severe is CVE-2023-39976?
CVE-2023-39976 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2023-39976?
Check the references section above for vendor advisories and patch information. Affected products include: Clusterlabs Libqb.