Description
The zlib_refill function in libavformat/swfdec.c in FFmpeg before 3.1.3 allows remote attackers to cause an infinite loop denial of service via a crafted SWF file.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ffmpeg | 7:3.1.3-1 | — |
| Debian 13 | ffmpeg | 7:3.1.3-1 | — |
| Debian 12 | ffmpeg | 7:3.1.3-1 | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.4 | ffmpeg | 3.0.7-r0 | — |
| Alpine v3.3 | ffmpeg | 2.8.11-r0 | — |