{"action":"Upgrade libjpeg to 0.0~git20200925.f145908-1 or later.","affected":[{"introduced":"0"}],"component":"libjpeg","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["0.0~git20200925.f145908-1"],"id":"tcs_01M5NFY5CFE2S5HRA3956QPH3F","modified_at":"2026-10-23T18:03:32.367427874Z","published_at":"2021-09-20T16:15:11.683Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-39517","https://security-tracker.debian.org/tracker/CVE-2021-39517"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-39517","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-39517"}],"summary":"An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::ReconstructUnsampled() located in blockbitmaprequester.cpp. It allows an att"}