CVE-2023-39976

CRITICAL

Clusterlabs Libqb < 2.0.8 - Buffer Overflow

Title source: rule
STIX 2.1

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.

Scores

CVSS v3 9.8
EPSS 0.0017
EPSS Percentile 37.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-120
Status published
Products (1)
clusterlabs/libqb < 2.0.8
Published Aug 08, 2023
Tracked Since Feb 18, 2026