CVE-2023-39976
libqb: Buffer overflow in log_blackbox.c
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Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · August 8, 2023
Updated · November 22, 2025
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 applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 7.2CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer