Servers and applications
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 array access) or possibly have unspecified other impact via crafted H.264 data.
- Severity
- High 8.3
- Published
- 24 Dec 2015
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 1.9% in the next 30 daysHigher than 80% of CVEs. EPSS by FIRST, 11 Nov 2026
- Weakness
- Memory buffer errors (CWE-119)
- Attack
- Over the network · No login needed · No user action needed
- Attacker can
- Read some data · Change some data · Slow it down
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg |
|