The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file
Published Aug 20, 2012
6.8
MEDIUMCVSS 2.0
EPSS 3.12%
Description
The decode_init function in kmvc.c in libavcodec in FFmpeg before 0.10 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a large palette size in a KMVC encoded file.
Affected products
No data.
Configuration 1
- ≤ 0.9.1
- 0.3
- 0.3.1
- 0.3.2
- 0.3.3
- 0.3.4
- 0.4.0
- 0.4.2
- 0.4.3
- 0.4.4
- 0.4.5
- 0.4.6
- 0.4.7
- 0.4.8
- 0.4.9
- 0.4.9
- 0.5
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.6
- 0.6.1
- 0.6.2
- 0.7
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.6
- 0.7.7
- 0.7.8
- 0.7.9
- 0.7.11
- 0.7.12
- 0.8.0
- 0.8.1
- 0.8.2
- 0.8.5
- 0.8.6
- 0.8.7
- 0.8.8
- 0.8.10
- 0.8.11
- 0.9
Configuration 2
- 0.5
- 0.5.1
- 0.5.2
- 0.5.3
- 0.6
- 0.6.1
- 0.6.2
- 0.6.3
- 0.7
- 0.7
- 0.7
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 0.8
- 0.8
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.12% (0.03124) | 87.39th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.12% (0.03124) | 86.12th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.95% (0.00952) | 74.80th | v4 (v2025.03.14) |
| Dec 12, 2024 | 2.09% (0.02089) | 89.55th | v3 (v2023.03.01) |
| May 24, 2024 | 1.27% (0.01274) | 85.68th | v3 (v2023.03.01) |
| May 10, 2024 | 0.76% (0.00759) | 81.01th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.64% (0.00642) | 78.58th | v3 (v2023.03.01) |
| Nov 8, 2023 | 2.09% (0.02089) | 87.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 2.17% (0.02174) | 87.58th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.15% (0.04146) | 86.08th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.15% (0.04146) | 84.67th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.15% (0.04146) | 68.31th | v2 (v2022.01.01) |
References (5)
- http://ffmpeg.org/ x_refsource_CONFIRM
- http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=386741f887714d3e46c9e8fe577e326a7964037b x_refsource_CONFIRM
- http://libav.org/ x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2494 vendor-advisoryx_refsource_DEBIAN
- http://www.ubuntu.com/usn/USN-1479-1 vendor-advisoryx_refsource_UBUNTU
| Link | Providers | Tags |
|---|---|---|
| http://ffmpeg.org/ | x_refsource_CONFIRM | |
| http://git.libav.org/?p=libav.git%3Ba=commit%3Bh=386741f887714d3e46c9e8fe577e326a7964037b | x_refsource_CONFIRM | |
| http://libav.org/ | x_refsource_CONFIRM | |
| http://www.debian.org/security/2012/dsa-2494 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.ubuntu.com/usn/USN-1479-1 | vendor-advisoryx_refsource_UBUNTU |
Change history (0)
No recorded changes yet.