{"id":"CVE-2017-14639","details":"AP4_VisualSampleEntry::ReadFields in Core/Ap4SampleEntry.cpp in Bento4 1.5.0-617 uses incorrect character data types, which causes a stack-based buffer underflow and out-of-bounds write, leading to denial of service (application crash) or possibly unspecified other impact.","modified":"2026-08-07T14:48:53.565728Z","published":"2017-09-21T17:29:00.200Z","references":[{"type":"FIX","url":"https://blogs.gentoo.org/ago/2017/09/14/bento4-stack-based-buffer-underflow-in-ap4_visualsampleentryreadfields-ap4sampleentry-cpp/"},{"type":"FIX","url":"https://github.com/axiomatic-systems/Bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda"},{"type":"EVIDENCE","url":"https://github.com/axiomatic-systems/Bento4/issues/190"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/axiomatic-systems/bento4","events":[{"introduced":"3f2ad0b82d59aa5995d027df64b2964ebcf59e10"},{"last_affected":"3f2ad0b82d59aa5995d027df64b2964ebcf59e10"},{"fixed":"03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda"}],"database_specific":{"cpe":"cpe:2.3:a:bento4:bento4:1.5.0-617:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.5.0-617"},{"last_affected":"1.5.0-617"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["1.5.0-617","v1.5.0-617"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-14639.json","vanir_signatures_modified":"2026-08-07T14:48:53Z","vanir_signatures":[{"source":"https://github.com/axiomatic-systems/bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda","target":{"file":"Source/C++/Core/Ap4SampleEntry.cpp","function":"AP4_VisualSampleEntry::ReadFields"},"deprecated":false,"digest":{"function_hash":"225778327751199517861484754013994296709","length":744},"id":"CVE-2017-14639-dc2ee2c3","signature_type":"Function","signature_version":"v1"},{"deprecated":false,"digest":{"line_hashes":["336167489582252636941771263935129994912","80247203226361383553004648467278167450","23484819304718970041745035591710009631","235287473772795542733325154409238999160","63136788273159962883624813712747549886","26321561864430642561353476101464239236","224302253491483543602613387201601860184","236914998075992045106016260726036746795","314855190793464513330707415802748178819","10563404712353641487834720112443054927"],"threshold":0.9},"id":"CVE-2017-14639-e908c25e","signature_type":"Line","signature_version":"v1","source":"https://github.com/axiomatic-systems/bento4/commit/03d1222ab9c2ce779cdf01bdb96cdd69cbdcfeda","target":{"file":"Source/C++/Core/Ap4SampleEntry.cpp"}}]}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}