Description
libavcodec in FFmpeg 4.0 may trigger a NULL pointer dereference if the studio profile is incorrectly detected while converting a crafted AVI file to MPEG4, leading to a denial of service, related to idctdsp.c and mpegvideo.c.
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.
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.23 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.22 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.21 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.20 | ffmpeg +1 | 4.0.1-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.18 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.17 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.16 | ffmpeg +1 | 4.0.1-r0 | — |
| Alpine v3.15 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.14 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.13 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.12 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.11 | ffmpeg | 4.0.1-r0 | — |
| Alpine v3.10 | ffmpeg | 4.0.1-r0 | — |