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CVE-2023-39976

Published: 8 August 2023

log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
libqb
Launchpad, Ubuntu, Debian 		bionic Not vulnerable

focal Not vulnerable

jammy
Released (2.0.4-1ubuntu0.2)
lunar
Released (2.0.6-2ubuntu0.1)
trusty Not vulnerable

upstream Needs triage

xenial Not vulnerable

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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Further reading