Description
FFmpeg before commit a7e032a277452366771951e29fd0bf2bd5c029f0 contains a use-after-free vulnerability in the realmedia demuxer that can result in vulnerability allows attacker to read heap memory. This attack appear to be exploitable via specially crafted RM file has to be provided as input. This vulnerability appears to have been fixed in a7e032a277452366771951e29fd0bf2bd5c029f0 and later.
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 | 7:4.0.2-1 | — |
| Debian 13 | ffmpeg | 7:4.0.2-1 | — |
| Debian 12 | ffmpeg | 7:4.0.2-1 | — |
| Debian 9 | ffmpeg | 7:3.2.11-1~deb9u1 | DSA-4249-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | gst-libav1.0 +2 | No fix yet | — |
| Ubuntu 26.04 LTS | gst-libav1.0 +1 | No fix yet | — |
| Ubuntu 25.10 | gst-libav1.0 +2 | No fix yet | — |
| Ubuntu 24.04 LTS | gst-libav1.0 +1 | No fix yet | — |
| Ubuntu 22.04 LTS | gst-libav1.0 +1 | No fix yet | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | gst-libav1.0 | No fix yet | — |
| Ubuntu 18.04 LTS | gst-libav1.0 | No fix yet | — |
| Ubuntu 16.04 LTS | oxide-qt +1 | No fix yet | — |
| Ubuntu Pro 26.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 24.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 22.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 20.04 LTS | qtwebengine-opensource-src | No fix yet | — |
| Ubuntu Pro 18.04 LTS | qtwebengine-opensource-src | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | ffmpeg | 3.4.2-4.5.1 | SUSE-SU-2018:2305-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.23 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.22 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.21 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.20 | ffmpeg +1 | 4.0.2-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.18 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.17 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.16 | ffmpeg +1 | 4.0.2-r0 | — |
| Alpine v3.15 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.14 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.13 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.12 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.11 | ffmpeg | 4.0.2-r0 | — |
| Alpine v3.10 | ffmpeg | 4.0.2-r0 | — |
Advisories 2
- DSA-4249-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:2305-1 Security update for ffmpeg SUSE / openSUSE Security Updates · Feb 4, 2026