{"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_01M5NFY6QCBSAR143M8TD4XMFF","modified_at":"2026-10-23T18:03:32.305085279Z","published_at":"2021-09-20T16:15:11.813Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-39520","https://security-tracker.debian.org/tracker/CVE-2021-39520"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-39520","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-39520"}],"summary":"An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PushReconstructedData() located in blockbitmaprequester.cpp. It allows an at"}