CVE catalog
CVE-2026-40962
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
- Severity
- Medium · CVSS 4.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.13% · Oct 25, 2026
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ffmpeg | sid | 7:9.0.2-4 | fixed |
| Debian | ffmpeg | forky | 7:9.0.2-4 | fixed |
| Debian | ffmpeg | trixie | 7:7.1.5-0+deb13u1 | fixed |
| Debian | ffmpeg | trixie-security | 7:7.1.5-0+deb13u1 | fixed |
| Debian | ffmpeg | bookworm | 7:5.1.9-0+deb12u1 | fixed |
| Debian | ffmpeg | bookworm-security | 7:5.1.9-0+deb12u1 | fixed |
| Cpe | ffmpeg | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | ffmpeg-doc | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavcodec-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavcodec-extra | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavcodec-extra60 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavcodec60 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavdevice-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavdevice60 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavfilter-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavfilter-extra | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavfilter-extra9 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavfilter9 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavformat-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavformat-extra | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavformat-extra60 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavformat60 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavutil-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libavutil58 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libpostproc-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libpostproc57 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libswresample-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libswresample4 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libswscale-dev | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | libswscale7 | Not reported | 7:6.1.1-3ubuntu5+esm10 | fixed |
| Cpe | ffmpeg | Not reported | 8.1 | fixed |
| Opensuse | ffmpeg-4 | tumbleweed | 4.4.6-12.1 | fixed |
| Opensuse | ffmpeg-7 | tumbleweed | 7.1.3-3.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ffmpeg | source | sid | 7:8.1-1 | not yet assigned | Not reported | Not reported |
| Debian | ffmpeg | source | forky | 7:8.1-1 | not yet assigned | Not reported | Not reported |
| Debian | ffmpeg | source | trixie | 7:7.1.4-0+deb13u1 | not yet assigned | Not reported | Not reported |
| Debian | ffmpeg | source | bookworm | 7:5.1.9-0+deb12u1 | not yet assigned | Not reported | Not reported |
| Cpe | ffmpeg | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | ffmpeg-doc | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavcodec-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavcodec-extra | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavcodec-extra60 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavcodec60 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavdevice-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavdevice60 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavfilter-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavfilter-extra | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavfilter-extra9 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavfilter9 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavformat-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavformat-extra | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavformat-extra60 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavformat60 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavutil-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libavutil58 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libpostproc-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libpostproc57 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libswresample-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libswresample4 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libswscale-dev | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | libswscale7 | cpe | Not reported | 7:6.1.1-3ubuntu5+esm10 | Not reported | Not reported | Not reported |
| Cpe | ffmpeg | cpe | Not reported | 8.1 | Not reported | Not reported | Not reported |
| Opensuse | ffmpeg-4 | rpm | tumbleweed | 4.4.6-12.1 | Not reported | OPENSUSE-SU-2026:10767-1 | Not reported |
| Opensuse | ffmpeg-7 | rpm | tumbleweed | 7.1.3-3.1 | Not reported | OPENSUSE-SU-2026:10768-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [ffmpeg-4-libavcodec-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libavdevice-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libavfilter-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libavformat-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libavresample-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libavutil-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libpostproc-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libswresample-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-libswscale-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-4-private-devel]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [ffmpeg-7-libavcodec-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libavdevice-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libavfilter-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libavformat-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libavutil-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libpostproc-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libswresample-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [ffmpeg-7-libswscale-devel]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
- [libavcodec58_134]Unknown
Source package: [ffmpeg-4]
Details (1)
4.4.8-4.1· x86_64 · tumbleweedUnknown · Fixed:
4.4.6-12.1Version impact unknown
nvd · ffmpeg-4 · opensuse · tumbleweed
- [libavcodec61]Unknown
Source package: [ffmpeg-7]
Details (1)
7.1.5-1.2· x86_64 · tumbleweedUnknown · Fixed:
7.1.3-3.1Version impact unknown
nvd · ffmpeg-7 · opensuse · tumbleweed
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_10767-1.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-40962]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-40962]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10767-1]
- [https://osv.dev/vulnerability/openSUSE-SU-2026:10768-1]
- [https://security-tracker.debian.org/tracker/CVE-2026-40962]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40962.json]
- [https://ubuntu.com/security/notices/USN-8469-1]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1143.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX] · [Ubuntu Security Notices (USN)]