CVE-2026-38345
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c)...
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
CVE-2026-38345- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
EUVDEUVD-2026-67318
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
EUVD-2026-67318- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-rgh2-m3vh-23hp
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c)...
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
GHSA-rgh2-m3vh-23hp- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
NVD
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
CVE-2026-38345- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2026-38345
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
DEBIAN-CVE-2026-38345- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2026-38345
A Division-by-Zero vulnerability in the ff_sws_init_single_context function (/libswscale/utils.c) of FFmpeg N-122528-gdd2976b9e1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
- Record
UBUNTU-CVE-2026-38345- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2026:11794-1 No score
ffmpeg-8-8.1.2-5.1 on GA media
These are all security issues fixed in the ffmpeg-8-8.1.2-5.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:11794-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:12064-1 No score
ffmpeg-4-4.4.8-6.1 on GA media
These are all security issues fixed in the ffmpeg-4-4.4.8-6.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12064-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:12108-1 No score
ffmpeg-7-7.1.5-4.1 on GA media
These are all security issues fixed in the ffmpeg-7-7.1.5-4.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12108-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2026:12417-1 No score
ffmpeg-9-libavcodec-devel-9.0.2-5.1 on GA media
These are all security issues fixed in the ffmpeg-9-libavcodec-devel-9.0.2-5.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2026:12417-1- Updated
- 2026-11-05
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ffmpegDebian:14 |
before 7:8.1-1, plus listed versions 7:7.1.1-17:7.1.2-17:7.1.3-17:8.0-17:8.0-27:8.0.1-17:8.0.1-27:8.0.1-3 |
7:8.1-1 |
libavUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 6:0.8.7-1ubuntu26:9.10-1ubuntu16:9.10-1ubuntu26:9.10-1ubuntu56:9.10-1ubuntu6 Show 9 moreShow less6:9.10-1ubuntu76:9.11-2ubuntu16:9.11-2ubuntu26:9.13-0ubuntu0.14.04.16:9.14-0ubuntu0.14.04.16:9.16-0ubuntu0.14.04.16:9.18-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.16:9.20-0ubuntu0.14.04.1+esm1 |
None known |
ffmpegUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 7:2.7.2-1build17:2.8.1-1ubuntu17:2.8.2-1ubuntu17:2.8.3-17:2.8.4-1 Show 31 moreShow less7:2.8.4-1ubuntu17:2.8.4-1ubuntu27:2.8.4-1ubuntu37:2.8.4-1ubuntu47:2.8.6-1ubuntu17:2.8.6-1ubuntu27:2.8.8-0ubuntu0.16.04.17:2.8.10-0ubuntu0.16.04.17:2.8.11-0ubuntu0.16.04.17:2.8.14-0ubuntu0.16.04.17:2.8.15-0ubuntu0.16.04.17:2.8.15-0ubuntu0.16.04.1+esm17:2.8.17-0ubuntu0.17:2.8.17-0ubuntu0.1+esm17:2.8.17-0ubuntu0.1+esm27:2.8.17-0ubuntu0.1+esm37:2.8.17-0ubuntu0.1+esm47:2.8.17-0ubuntu0.1+esm57:2.8.17-0ubuntu0.1+esm67:2.8.17-0ubuntu0.1+esm77:2.8.17-0ubuntu0.1+esm87:2.8.17-0ubuntu0.1+esm97:2.8.17-0ubuntu0.1+esm107:2.8.17-0ubuntu0.1+esm117:2.8.17-0ubuntu0.1+esm127:2.8.17-0ubuntu0.1+esm137:2.8.17-0ubuntu0.1+esm147:2.8.17-0ubuntu0.1+esm157:2.8.17-0ubuntu0.1+esm167:2.8.17-0ubuntu0.1+esm177:2.8.17-0ubuntu0.1+esm18 |
None known |
ffmpegUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 7:3.3.4-27:3.3.4-2build37:3.4-2ubuntu27:3.4-47:3.4-4build1 Show 25 moreShow less7:3.4.1-17:3.4.1-1build17:3.4.2-17:3.4.2-1build17:3.4.2-27:3.4.4-0ubuntu0.18.04.17:3.4.6-0ubuntu0.18.04.17:3.4.8-0ubuntu0.27:3.4.11-0ubuntu0.17:3.4.11-0ubuntu0.1+esm17:3.4.11-0ubuntu0.1+esm27:3.4.11-0ubuntu0.1+esm37:3.4.11-0ubuntu0.1+esm47:3.4.11-0ubuntu0.1+esm57:3.4.11-0ubuntu0.1+esm67:3.4.11-0ubuntu0.1+esm77:3.4.11-0ubuntu0.1+esm87:3.4.11-0ubuntu0.1+esm97:3.4.11-0ubuntu0.1+esm107:3.4.11-0ubuntu0.1+esm117:3.4.11-0ubuntu0.1+esm127:3.4.11-0ubuntu0.1+esm137:3.4.11-0ubuntu0.1+esm147:3.4.11-0ubuntu0.1+esm157:3.4.11-0ubuntu0.1+esm16 |
None known |
ffmpegUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 7:4.1.4-1build27:4.2.1-27:4.2.1-2ubuntu17:4.2.2-1build17:4.2.2-1ubuntu1 Show 21 moreShow less7:4.2.4-1ubuntu0.17:4.2.4-1ubuntu0.1+esm17:4.2.7-0ubuntu0.17:4.2.7-0ubuntu0.1+esm17:4.2.7-0ubuntu0.1+esm27:4.2.7-0ubuntu0.1+esm37:4.2.7-0ubuntu0.1+esm47:4.2.7-0ubuntu0.1+esm57:4.2.7-0ubuntu0.1+esm67:4.2.7-0ubuntu0.1+esm77:4.2.7-0ubuntu0.1+esm87:4.2.7-0ubuntu0.1+esm97:4.2.7-0ubuntu0.1+esm107:4.2.7-0ubuntu0.1+esm117:4.2.7-0ubuntu0.1+esm127:4.2.7-0ubuntu0.1+esm137:4.2.7-0ubuntu0.1+esm147:4.2.7-0ubuntu0.1+esm157:4.2.7-0ubuntu0.1+esm167:4.2.7-0ubuntu0.1+esm177:4.2.7-0ubuntu0.1+esm18 |
None known |
ffmpegUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 7:4.4-6ubuntu57:4.4.1-2ubuntu17:4.4.1-3ubuntu17:4.4.1-3ubuntu27:4.4.1-3ubuntu3 Show 19 moreShow less7:4.4.1-3ubuntu57:4.4.2-0ubuntu0.22.04.17:4.4.2-0ubuntu0.22.04.1+esm17:4.4.2-0ubuntu0.22.04.1+esm27:4.4.2-0ubuntu0.22.04.1+esm37:4.4.2-0ubuntu0.22.04.1+esm47:4.4.2-0ubuntu0.22.04.1+esm57:4.4.2-0ubuntu0.22.04.1+esm67:4.4.2-0ubuntu0.22.04.1+esm77:4.4.2-0ubuntu0.22.04.1+esm87:4.4.2-0ubuntu0.22.04.1+esm97:4.4.2-0ubuntu0.22.04.1+esm107:4.4.2-0ubuntu0.22.04.1+esm117:4.4.2-0ubuntu0.22.04.1+esm127:4.4.2-0ubuntu0.22.04.1+esm137:4.4.2-0ubuntu0.22.04.1+esm147:4.4.2-0ubuntu0.22.04.1+esm157:4.4.2-0ubuntu0.22.04.1+esm167:4.4.2-0ubuntu0.22.04.1+esm17 |
None known |
ffmpegUbuntu:Pro:24.04:LTS |
All versions, plus listed versions 7:6.0-6ubuntu17:6.0-9ubuntu17:6.1-2ubuntu17:6.1-3ubuntu17:6.1-4ubuntu1 Show 17 moreShow less7:6.1-5ubuntu17:6.1.1-1ubuntu17:6.1.1-3ubuntu17:6.1.1-3ubuntu57:6.1.1-3ubuntu5+esm17:6.1.1-3ubuntu5+esm27:6.1.1-3ubuntu5+esm37:6.1.1-3ubuntu5+esm47:6.1.1-3ubuntu5+esm57:6.1.1-3ubuntu5+esm67:6.1.1-3ubuntu5+esm77:6.1.1-3ubuntu5+esm87:6.1.1-3ubuntu5+esm107:6.1.1-3ubuntu5+esm117:6.1.1-3ubuntu5+esm127:6.1.1-3ubuntu5+esm137:6.1.1-3ubuntu5+esm15 |
None known |
ffmpegUbuntu:26.10 |
All versions, plus listed versions 7:8.0.1-3ubuntu27:8.1-3ubuntu37:8.1.2-2ubuntu2 |
None known |
ffmpegUbuntu:Pro:26.04:LTS |
All versions, plus listed versions 7:7.1.1-1ubuntu47:7.1.2-1ubuntu37:7.1.2-1ubuntu47:7.1.3-1ubuntu17:8.0.1-2ubuntu1 Show 6 moreShow less7:8.0.1-3ubuntu17:8.0.1-3ubuntu27:8.0.1-3ubuntu2+esm17:8.0.1-3ubuntu2+esm37:8.0.1-3ubuntu2+esm47:8.0.1-3ubuntu2+esm5 |
None known |
ffmpeg-8openSUSE:Tumbleweed From an advisory covering 8 CVEs |
before 8.1.2-5.1 | 8.1.2-5.1 |
ffmpeg-4openSUSE:Tumbleweed From an advisory covering 11 CVEs |
before 4.4.8-6.1 | 4.4.8-6.1 |
ffmpeg-7openSUSE:Tumbleweed From an advisory covering 7 CVEs |
before 7.1.5-4.1 | 7.1.5-4.1 |
ffmpeg-9openSUSE:Tumbleweed From an advisory covering 15 CVEs |
before 9.0.2-5.1 | 9.0.2-5.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected | ||
| affected, aliases, facts, references | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-38345 is a medium vulnerability (CVSS 6.5) in ffmpeg, published August 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.36%, the 29th percentile. Fixed in ffmpeg 7:8.1-1.
References
code.ffmpeg.org/FFmpeg/FFmpeg/issues/21585
nvd.nist.gov/vuln/detail/CVE-2026-38345
github.com/advisories/GHSA-rgh2-m3vh-23hp
security-tracker.debian.org/tracker/CVE-2026-38345
ubuntu.com/security/CVE-2026-38345
cve.org/CVERecord?id=CVE-2026-38345
Show 20 moreShow less
suse.com/security/cve/CVE-2023-6602