{"id":"DEBIAN-CVE-2023-39976","details":"log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not considered.","modified":"2026-09-15T09:02:29.506980331Z","published":"2023-08-08T06:15:46.590Z","upstream":["CVE-2023-39976"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-39976"}],"affected":[{"package":{"name":"libqb","ecosystem":"Debian:12","purl":"pkg:deb/debian/libqb?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.10-1","2.0.6-2","2.0.7-1","2.0.8-1","2.0.8-2","2.0.9-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-39976.json"}},{"package":{"name":"libqb","ecosystem":"Debian:13","purl":"pkg:deb/debian/libqb?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-39976.json"}},{"package":{"name":"libqb","ecosystem":"Debian:14","purl":"pkg:deb/debian/libqb?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.8-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2023-39976.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}