| Name | CVE-2023-39976 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libqb (PTS) | jessie | 0.11.1-2 | vulnerable |
| stretch | 1.0.1-1 | fixed |
| buster | 1.0.5-1 | fixed |
| bullseye | 2.0.3-1 | vulnerable |
| bookworm | 2.0.6-2 | vulnerable |
| sid, trixie | 2.0.8-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libqb | source | jessie | (unfixed) | end-of-life | | |
| libqb | source | stretch | (not affected) | | | |
| libqb | source | buster | (not affected) | | | |
| libqb | source | (unstable) | 2.0.8-1 | | | |
Notes
[bookworm] - libqb <no-dsa> (Minor issue)
[bullseye] - libqb <no-dsa> (Minor issue)
[buster] - libqb <not-affected> (Vulnerable code introduced later)
https://github.com/ClusterLabs/libqb/commit/1bbaa929b77113532785c408dd1b41cd0521ffc8 (v2.0.8)
https://github.com/ClusterLabs/libqb/pull/490
[stretch] - libqb <not-affected> (The vulnerable code was introduced later)