https://vulnerability.circl.lu/sightings/feed 2026-05-05T07:12:31.819320+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/de1a3f6e-0cf3-47de-92c7-9e6ee47856ed/export 2026-05-05T07:12:32.154253+00:00 Automation user http://vulnerability.circl.lu/user/automation {"uuid": "de1a3f6e-0cf3-47de-92c7-9e6ee47856ed", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2021-21840", "type": "seen", "source": "https://t.me/cibsecurity/27882", "content": "\u203c CVE-2021-21840 \u203c\n\nAn exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input used to process an atom using the \u00e2\u20ac\u0153saio\u00e2\u20ac\ufffd FOURCC code cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2021-08-25T22:26:01.000000Z"} 2021-08-25T22:26:01+00:00