{"id":"CVE-2021-39519","details":"An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function BlockBitmapRequester::PullQData() located in blockbitmaprequester.cpp It allows an attacker to cause Denial of Service.","modified":"2026-03-14T01:39:27.930450Z","published":"2021-09-20T16:15:11.773Z","references":[{"type":"FIX","url":"https://github.com/thorfdbg/libjpeg/issues/28"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39519.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2020021"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}