{"id":"CVE-2020-11558","details":"An issue was discovered in libgpac.a in GPAC 0.8.0, as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read, gf_isom_delete_movie, and gf_isom_parse_movie_boxes.","modified":"2026-08-07T14:48:46.360687Z","published":"2020-04-05T20:15:12.650Z","references":[{"type":"FIX","url":"https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c"},{"type":"EVIDENCE","url":"https://github.com/gpac/gpac/issues/1440"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"6b4ab401297be43b57f9eddd675971a8a5feab44"},{"last_affected":"6b4ab401297be43b57f9eddd675971a8a5feab44"},{"fixed":"6063b1a011c3f80cee25daade18154e15e4c058c"}],"database_specific":{"cpe":"cpe:2.3:a:gpac:gpac:0.8.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0.8.0"},{"last_affected":"0.8.0"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["0.8.0","v0.8.0"],"database_specific":{"vanir_signatures":[{"deprecated":false,"digest":{"line_hashes":["209419338807595549989425777928616231565","134613384087633747991818009045271792603","270422956785987196441140460082296232631","32331963034934812695965767984493227917","102905533540432451858855387126122159953","18872638200036743128143019695906511749","110109268998264501258140192252233115066"],"threshold":0.9},"id":"CVE-2020-11558-3c058c9f","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c","target":{"file":"src/isomedia/box_code_base.c"}},{"deprecated":false,"digest":{"function_hash":"67754386134682874808586504669882613302","length":1758},"id":"CVE-2020-11558-e5169e3f","signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c","target":{"file":"src/isomedia/box_code_base.c","function":"audio_sample_entry_Read"}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11558.json","vanir_signatures_modified":"2026-08-07T14:48:46Z"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}