VulnerabilityModified
CVE-2023-39976
log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.
CRITICAL 9.8EPSS 1.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.18% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- clusterlabs/libqb
- Source
- cve@mitre.org
References
- https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8Patch
- 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.fedoraproject.org/message/KECNF7LFBPE57XSBT6EM7ACVMIBP63WH/
- https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8Patch
- 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.fedoraproject.org/message/KECNF7LFBPE57XSBT6EM7ACVMIBP63WH/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.