Description
FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function.
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 | 6.1-r0 | — |
| Alpine v3.23 | ffmpeg | 6.1-r0 | — |
| Alpine v3.22 | ffmpeg | 6.1-r0 | — |
| Alpine v3.21 | ffmpeg | 6.1-r0 | — |
| Alpine v3.20 | ffmpeg | 6.1-r0 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg | 6.1-r0 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | ffmpeg | 6.1-r2 | — |
Advisories 1
- WID-SEC-2023-2766 ffmpeg: Schwachstelle ermöglicht nicht spezifizierten Angriff BSI CERT-Bund (WID) · Oct 29, 2023