{"action":"Upgrade gpac to 1.0.1+dfsg1-4+deb11u2 or later.","affected":[{"fixed":"1.0.1+dfsg1-4+deb11u2","introduced":"0"}],"component":"gpac","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:11","exploited":false,"fixed_versions":["1.0.1+dfsg1-4+deb11u2"],"id":"tcs_01M5NFZQDNBJ4QDC96D9WKGKBP","modified_at":"2026-08-27T23:04:10.204721923Z","published_at":"2022-06-28T13:15:09.963Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40944","https://security-tracker.debian.org/tracker/CVE-2021-40944"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40944","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40944"}],"summary":"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 serv"}