{"action":"Upgrade openjpeg2 to 2.4.0-1 or later.","affected":[{"fixed":"2.4.0-1","introduced":"0"}],"component":"openjpeg2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.0-1"],"id":"tcs_01M5NEZ3QQVTCCTPRFRJSQWSBC","modified_at":"2026-09-11T11:02:14.588974565Z","published_at":"2021-01-05T18:15:14.020Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27842","https://security-tracker.debian.org/tracker/CVE-2020-27842"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27842#Debian:13/openjpeg2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27842"}],"summary":"There's a flaw in openjpeg's t2 encoder in versions prior to 2.4.0. An attacker who is able to provide crafted input to be processed by openjpeg could cause a null pointer dereference. The highest imp"}