{"id":"OSV-2026-1126","aliases":[],"status":"published","title":"Heap-buffer-overflow in isvcd_nal_byte_swap_emulation","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543374000\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nisvcd_nal_byte_swap_emulation\nisvcd_nal_parse_vcl_nal_partial\nisvcd_pre_parse_refine_au\n```","facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2026-08-08T00:10:44.466363Z","modified":"2026-10-28T12:15:02Z","affected":[{"source":"osv","ecosystem":"OSS-Fuzz","package":"libavc","ranges":[{"type":"GIT","events":[{"introduced":"74704cccf3df301489e0f23877c46ba6ad823fb9"},{"fixed":"4a12cfed87c477a936083773caaae0701a4b6ecc"}]}]}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543374000","tags":["report"]}],"sources":{"osv":[{"id":"OSV-2026-1126","title":"Heap-buffer-overflow in isvcd_nal_byte_swap_emulation","description":"OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543374000\n\n```\nCrash type: Heap-buffer-overflow WRITE 4\nCrash state:\nisvcd_nal_byte_swap_emulation\nisvcd_nal_parse_vcl_nal_partial\nisvcd_pre_parse_refine_au\n```\n","status":"published","published":"2026-08-08T00:10:44.466363Z","modified":"2026-10-28T12:15:02.970882374Z","updated_at":"2026-11-02T15:52:50.263679Z"}]}}