CVE-2015-8661
The h264_slice_header_init function in libavcodec/h264_slice.c in FFmpeg before 2.8.3 does not validate the relationship between the number of threads and the number of slices, which allows remote attackers to cause a denial of service (out-of-bounds…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The h264_slice_header_init function in libavcodec/h264_slice.c in FFmpeg before 2.8.3 does not validate the relationship between the number of threads and the number of slices, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted H.264 data.
- CVSS 3.0
- 8.3 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
- EPSS
- 1.91% probability · 79th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- ffmpeg/ffmpeg
- Source
- cve@mitre.org
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=4ea4d2f438c9a7eba37980c9a87be4b34943e4d5
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00004.html
- http://www.securitytracker.com/id/1034539
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=4ea4d2f438c9a7eba37980c9a87be4b34943e4d5
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00004.html
- http://www.securitytracker.com/id/1034539
- https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.