{"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:14","exploited":false,"fixed_versions":["2.4.0-1"],"id":"tcs_01M5NEYZT6NK2TNB2F7MTCT3FS","modified_at":"2026-09-11T11:02:12.664167706Z","published_at":"2021-05-13T14:15:17.557Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-27824","https://security-tracker.debian.org/tracker/CVE-2020-27824"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-27824#Debian:14/openjpeg2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-27824"}],"summary":"A flaw was found in OpenJPEG’s encoder in the opj_dwt_calc_explicit_stepsizes() function. This flaw allows an attacker who can supply crafted input to decomposition levels to cause a buffer overflow."}