Vulnerability Details CVE-2018-13305
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 61.4%
CVSS Severity
CVSS v3 Score 8.1
CVSS v2 Score 5.8
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
- https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00012.html
- https://github.com/FFmpeg/FFmpeg/commit/d08d4a8c7387e758d439b0592782e4cfa2b4d6a4