{"id":"CVE-2023-4756","summary":"Stack-based Buffer Overflow in gpac/gpac","details":"Stack-based Buffer Overflow in GitHub repository gpac/gpac prior to 2.3-DEV.","modified":"2026-08-12T14:51:30.665420Z","published":"2023-09-04T08:24:56.615Z","database_specific":{"cna_assigner":"@huntrdev","cwe_ids":["CWE-121"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4756.json","unresolved_ranges":[{"extracted_events":[{"fixed":"2.3-DEV"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://huntr.dev/bounties/2342da0e-f097-4ce7-bfdc-3ec0ba446e05"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/4xxx/CVE-2023-4756.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4756"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/6914d016e2b540bac2c471c4aea156ddef8e8e01"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"6914d016e2b540bac2c471c4aea156ddef8e8e01"}],"database_specific":{"source":"REFERENCES"}}],"versions":["v2.2.0","v2.0.0","v1.0.0","v0.9.0","v0.9.0-preview","v0.6.0","v0.5.2"],"database_specific":{"vanir_signatures_modified":"2026-08-12T14:51:30Z","vanir_signatures":[{"signature_type":"Function","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/6914d016e2b540bac2c471c4aea156ddef8e8e01","target":{"file":"src/scene_manager/loader_bt.c","function":"gf_bt_check_line"},"deprecated":false,"digest":{"function_hash":"248969471670354423913633833643448318600","length":7238},"id":"CVE-2023-4756-bae29837"},{"digest":{"line_hashes":["159980883770019638156314446817634402497","177691367290579395854467380098755301776","177547609927727253232917970462317179226","106799466234984483722179104676976705206","192858067282737056496419545910395749718","209793702161040535968236786835585921436","337238617098004924347294413228698578708","242153535204094392994649042168891423440","224157320800109348735711292323651055671","50650812290744805346066813341934454298","282066337774628935860786118948460123407","261542863855760504059832236557960043282","138114858756252476810517500589087291066","81670259513898047699039334091588162365","154058914503412685594814357024180272659","49933698396067619365573851390073859167","216552187568122321869877685895911600229","187927402125930479632204714895315874837","259803232686737589915358931485226653714","34484451110572194430845707527561756871","306310920425379990060806065370557013959","253100823954240397805525734881280879802","34620981024414339371734869872502791732","152866302972597861012534317415554917024"],"threshold":0.9},"id":"CVE-2023-4756-e48e1b97","signature_type":"Line","signature_version":"v1","source":"https://github.com/gpac/gpac/commit/6914d016e2b540bac2c471c4aea156ddef8e8e01","target":{"file":"src/scene_manager/loader_bt.c"},"deprecated":false}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-4756.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}