{"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_01M5NFZ5Y4CD1FEKK9DAZSCDWN","modified_at":"2026-08-27T23:04:10.060391256Z","published_at":"2022-01-12T21:15:07.573Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-40559","https://security-tracker.debian.org/tracker/CVE-2021-40559"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-40559","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-40559"}],"summary":"A null pointer deference vulnerability exists in gpac through 1.0.1 via the naludmx_parse_nal_avc function in reframe_nalu, which allows a denail of service."}