{"id":"CVE-2021-21860","details":"An exploitable integer truncation 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 can cause an improper memory allocation resulting in a heap-based buffer overflow that causes memory corruption. The FOURCC code, 'trik', is parsed by the function within the library. An attacker can convince a user to open a video to trigger this vulnerability.","modified":"2026-03-14T01:31:34.706917Z","published":"2021-08-16T20:15:48.550Z","related":["MGASA-2021-0431"],"references":[{"type":"ADVISORY","url":"https://www.debian.org/security/2021/dsa-4966"},{"type":"EVIDENCE","url":"https://talosintelligence.com/vulnerability_reports/TALOS-2021-1298"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"last_affected":"d8538e8ae946b32d99c6b2c57cbb327146e9cd9d"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"1.0.1"}]}}],"versions":["v0.5.2","v0.6.0","v0.6.1","v0.7.0","v0.7.1","v0.8.0","v0.9.0","v0.9.0-preview","v1.0.0","v1.0.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-21860.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"11.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}