{"id":"DEBIAN-CVE-2021-40944","details":"In GPAC MP4Box 1.1.0, there is a Null pointer reference in the function gf_filter_pid_get_packet function in src/filter_core/filter_pid.c:5394, as demonstrated by GPAC. This can cause a denial of service (DOS).","modified":"2026-08-27T23:03:47.214603870Z","published":"2022-06-28T13:15:09.963Z","upstream":["CVE-2021-40944"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2021-40944"}],"affected":[{"package":{"name":"gpac","ecosystem":"Debian:11","purl":"pkg:deb/debian/gpac?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1+dfsg1-4+deb11u2"}]}],"versions":["1.0.1+dfsg1-4","1.0.1+dfsg1-4+deb11u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2021-40944.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}