{"id":"CVE-2020-36407","details":"libavif 0.8.0 and 0.8.1 has an out-of-bounds write in avifDecoderDataFillImageGrid.","aliases":["PYSEC-2021-892"],"modified":"2026-07-13T07:26:58.492637432Z","published":"2021-07-01T03:15:08.033Z","references":[{"type":"ADVISORY","url":"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libavif/OSV-2020-1597.yaml"},{"type":"FIX","url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24811"},{"type":"FIX","url":"https://github.com/AOMediaCodec/libavif/commit/0a8e7244d494ae98e9756355dfbfb6697ded2ff9"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/aomediacodec/libavif","events":[{"introduced":"0"},{"last_affected":"01ee4caa5ab52b2f6f3e500fd3a0f70e0099b031"},{"introduced":"0"},{"last_affected":"28ef40bdc86c371fab7a2c8de83ed09d27ced83e"},{"fixed":"0a8e7244d494ae98e9756355dfbfb6697ded2ff9"}],"database_specific":{"versions":[{"introduced":"0"},{"last_affected":"0.8.0"},{"introduced":"0"},{"last_affected":"0.8.1"}]}}],"versions":["v0.1.0","v0.1.1","v0.1.2","v0.1.3","v0.1.4","v0.2.0","v0.3.0","v0.3.1","v0.3.10","v0.3.11","v0.3.2","v0.3.3","v0.3.4","v0.3.5","v0.3.6","v0.3.7","v0.3.8","v0.3.9","v0.4.0","v0.4.1","v0.4.2","v0.4.3","v0.4.4","v0.4.5","v0.4.6","v0.4.7","v0.4.8","v0.5.0","v0.5.1","v0.5.2","v0.5.3","v0.5.4","v0.5.5","v0.5.6","v0.5.7","v0.6.0","v0.6.1","v0.6.2","v0.6.3","v0.6.4","v0.7.0","v0.7.1","v0.7.2","v0.7.3","v0.8.0","v0.8.1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-36407.json","vanir_signatures_modified":"2026-04-11T13:53:17Z","vanir_signatures":[{"id":"CVE-2020-36407-1dd64457","signature_type":"Line","signature_version":"v1","source":"https://github.com/aomediacodec/libavif/commit/0a8e7244d494ae98e9756355dfbfb6697ded2ff9","target":{"file":"src/read.c"},"deprecated":false,"digest":{"threshold":0.9,"line_hashes":["141426086229260369640137979938983474898","86606388548066116302343634120139353619","129706273375831142077064862974063230480","228291883178495089287266741724136130496"]}},{"signature_type":"Function","signature_version":"v1","source":"https://github.com/aomediacodec/libavif/commit/0a8e7244d494ae98e9756355dfbfb6697ded2ff9","target":{"file":"src/read.c","function":"avifParseImageGridBox"},"deprecated":false,"digest":{"function_hash":"284186746123024602770776359937458765098","length":811},"id":"CVE-2020-36407-4024d1d0"}]}}],"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"}]}