{"id":"CVE-2018-13305","details":"In FFmpeg 4.0.1, due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service.","modified":"2026-05-17T11:55:11.816425378Z","published":"2018-07-05T17:29:00.610Z","related":["SUSE-SU-2018:3609-1","openSUSE-SU-2020:0024-1","openSUSE-SU-2024:10754-1"],"database_specific":{},"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html"},{"type":"FIX","url":"https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H"}]}