{"id":"CVE-2021-39515","details":"An issue was discovered in libjpeg through 2020021. A NULL pointer dereference exists in the function SampleInterleavedLSScan::ParseMCU() located in sampleinterleavedlsscan.cpp. It allows an attacker to cause Denial of Service.","modified":"2026-03-14T11:07:14.851801Z","published":"2021-09-20T16:15:11.597Z","references":[{"type":"REPORT","url":"https://github.com/thorfdbg/libjpeg/issues/37"}],"affected":[{"database_specific":{"unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"2020021"}]}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-39515.json"}}],"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"}]}