Description
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FFmpeg | FFmpeg | 4.1 – < 8.1 | 8.1 |
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 | 7:8.1-1 | — |
| Debian 13 | ffmpeg | 7:7.1.4-0+deb13u1 | — |
| Debian 12 | ffmpeg | 7:5.1.9-0+deb12u1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | ffmpeg | No fix yet | — |
| Ubuntu 25.10 | ffmpeg | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 26.04 LTS | ffmpeg | 7:8.0.1-3ubuntu2+esm1 | USN-8469-1 |
| Ubuntu Pro 24.04 LTS | ffmpeg | 7:6.1.1-3ubuntu5+esm10 | USN-8469-1 |
| Ubuntu Pro 22.04 LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1+esm12 | USN-8469-1 |
| Ubuntu Pro 20.04 LTS | ffmpeg | 7:4.2.7-0ubuntu0.1+esm13 | USN-8469-1 |
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux Ai 3 | ffmpeg +18 | 6.1.6-9.el9ai | RHSA-2026:74089 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | ffmpeg-4 | 4.4.7-150600.13.47.1 | SUSE-SU-2026:2445-1 |
| SLES 15 SP4 | ffmpeg-4 | 4.4.7-150400.3.67.1 | SUSE-SU-2026:2444-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 15 SP4 | ffmpeg-4 | 4.4.7-150400.3.67.1 | SUSE-SU-2026:2444-1 |
| SLE HPC 15 SP4 | ffmpeg-4 | 4.4.7-150400.3.67.1 | SUSE-SU-2026:2444-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ffmpeg-4 | 4.4.6-12.1 | openSUSE-SU-2026:10767-1 |
| openSUSE Tumbleweed | ffmpeg-7 | 7.1.3-3.1 | openSUSE-SU-2026:10768-1 |
| openSUSE Leap 16.0 | ffmpeg-7 | 7.1.4-160000.1.1 | openSUSE-SU-2026:21211-1 |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | ffmpeg-7 | No fix yet | — |
| Wolfi rolling | ffmpeg-7.1 | 7.1.3-r6 | — |
| Wolfi rolling | ffmpeg-7.1-libswscale8 +1 | 7.1.5-r2 | — |
| Wolfi rolling | ffmpeg-8.0 | 8.0.1-r7 | — |
Advisories 8
- RHSA-2026:74089 Red Hat Security Advisory: RHEL AI 3.0 RPM runtime CVE fix - ffmpeg Red Hat Security Advisories (RHSA) · Oct 20, 2026
- WID-SEC-2026-1143 ffmpeg: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 14, 2026
- openSUSE-SU-2026:21211-1 Security update for ffmpeg-7 SUSE / openSUSE Security Updates · Jul 3, 2026
- USN-8469-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- SUSE-SU-2026:2444-1 Security update for ffmpeg-4 SUSE / openSUSE Security Updates · Jun 19, 2026
- SUSE-SU-2026:2445-1 Security update for ffmpeg-4 SUSE / openSUSE Security Updates · Jun 19, 2026
- openSUSE-SU-2026:10767-1 ffmpeg-4-4.4.6-12.1 on GA media SUSE / openSUSE Security Updates · May 14, 2026
- openSUSE-SU-2026:10768-1 ffmpeg-7-7.1.3-3.1 on GA media SUSE / openSUSE Security Updates · May 14, 2026