{"id":"CVE-2025-55639","details":"GPAC MP4Box v2.4 was discovered to contain a NULL pointer dereference in the gf_isom_add_track_kind() function at isomedia/isom_write.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.","modified":"2026-07-09T18:18:32.291834Z","published":"2026-06-23T00:00:00Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55639.json","cna_assigner":"mitre"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/06/26/2"},{"type":"WEB","url":"https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/23/23_poc.mp4"},{"type":"WEB","url":"https://infosec.exchange/@sigdevel/116769184815236865"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55639.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55639"},{"type":"REPORT","url":"https://github.com/gpac/gpac/issues/3260"},{"type":"FIX","url":"https://github.com/gpac/gpac/commit/027ce139dda498ee95df36db9f9f6f3cadce8ec9"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gpac/gpac","events":[{"introduced":"0"},{"fixed":"118e60a905878e56dc4f9c5b309143c5f447c702"},{"fixed":"027ce139dda498ee95df36db9f9f6f3cadce8ec9"}],"database_specific":{"source":["CPE_RANGE","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"26.02.0"}],"cpe":"cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*"}}],"versions":["abi-16.5","abi-16.4","abi-16.3","abi-16.2","abi-16","abi-15.2","abi-15.1","abi-15.0","abi-15","abi-14.0","abi-14","abi-13.0","abi-13","abi-12.27","abi-12.26","abi-12.25","abi-12.24","abi-12.23","abi-12.22","abi-12.21","abi-12.20","abi-12.19","abi-12.18","abi-12.17","abi-12.16","abi-12","testtag0.1","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":"2026-07-09T18:18:32Z","vanir_signatures":[{"digest":{"length":1446,"function_hash":"192540411118792939251538053913742512613"},"source":"https://github.com/gpac/gpac/commit/027ce139dda498ee95df36db9f9f6f3cadce8ec9","signature_version":"v1","signature_type":"Function","deprecated":false,"id":"CVE-2025-55639-0392ea84","target":{"function":"gf_isom_add_track_kind","file":"src/isomedia/isom_write.c"}},{"digest":{"threshold":0.9,"line_hashes":["29677092208908187604996957519435153166","253621364095170723494424367398000078983","69165970050574451470899796378113575133","202666304542014822558361239119992135387"]},"source":"https://github.com/gpac/gpac/commit/027ce139dda498ee95df36db9f9f6f3cadce8ec9","signature_version":"v1","signature_type":"Line","deprecated":false,"id":"CVE-2025-55639-83165792","target":{"file":"src/isomedia/isom_write.c"}}],"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55639.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"}]}