The decode_slice_header function in libavcodec/h264.c in FFmpeg before 2.1 incorrectly relies on a certain droppable field, which allows remote attackers to cause a denial of service (deadlock) or possibly have unspecified other impact via crafted H.264 data
Published Dec 9, 2013
6.8
MEDIUMCVSS 2.0
EPSS 1.64%
Description
The decode_slice_header function in libavcodec/h264.c in FFmpeg before 2.1 incorrectly relies on a certain droppable field, which allows remote attackers to cause a denial of service (deadlock) or possibly have unspecified other impact via crafted H.264 data.
Affected products
No data.
- ≤ 2.0.1
- 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
- 0.5
- 0.5.1
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.4.5
- 0.5.4.6
- 0.5.5
- 0.6
- 0.6.1
- 0.6.2
- 0.6.3
- 0.7
- 0.7.1
- 0.7.2
- 0.7.3
- 0.7.4
- 0.7.5
- 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
- 0.8.5.3
- 0.8.5.4
- 0.8.6
- 0.8.7
- 0.8.8
- 0.8.10
- 0.8.11
- 0.9
- 0.9.1
- 0.10
- 0.10.3
- 0.10.4
- 0.11
- 1.0
- 1.1.1
- 1.1.2
- 1.1.3
- 1.1.4
- 1.2
- 1.2.1
- 2.0
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 2, 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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.64% (0.01635) | 75.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.64% (0.01635) | 73.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.41% (0.01407) | 79.16th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.10% (0.01103) | 85.09th | v3 (v2023.03.01) |
| Jul 17, 2024 | 0.93% (0.00932) | 83.19th | v3 (v2023.03.01) |
| Dec 8, 2023 | 0.93% (0.00932) | 81.19th | v3 (v2023.03.01) |
| Jul 22, 2023 | 0.97% (0.00969) | 81.29th | v3 (v2023.03.01) |
| Jun 5, 2023 | 1.02% (0.01017) | 81.61th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.10% (0.01105) | 82.21th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://ffmpeg.org/security.html x_refsource_CONFIRM
- http://openwall.com/lists/oss-security/2013/11/26/7 mailing-listx_refsource_MLISTPatch
- http://openwall.com/lists/oss-security/2013/12/08/3 mailing-listx_refsource_MLISTPatch
- https://github.com/FFmpeg/FFmpeg/commit/29ffeef5e73b8f41ff3a3f2242d356759c66f91f x_refsource_CONFIRMExploitPatch
- https://security.gentoo.org/glsa/201603-06 vendor-advisoryx_refsource_GENTOO
- https://trac.ffmpeg.org/ticket/2927 x_refsource_CONFIRMExploit
| Link | Providers | Tags |
|---|---|---|
| http://ffmpeg.org/security.html | x_refsource_CONFIRM | |
| http://openwall.com/lists/oss-security/2013/11/26/7 | mailing-listx_refsource_MLISTPatch | |
| http://openwall.com/lists/oss-security/2013/12/08/3 | mailing-listx_refsource_MLISTPatch | |
| https://github.com/FFmpeg/FFmpeg/commit/29ffeef5e73b8f41ff3a3f2242d356759c66f91f | x_refsource_CONFIRMExploitPatch | |
| https://security.gentoo.org/glsa/201603-06 | vendor-advisoryx_refsource_GENTOO | |
| https://trac.ffmpeg.org/ticket/2927 | x_refsource_CONFIRMExploit |
Change history (0)
No recorded changes yet.