In libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, a DoS in mxf_read_index_entry_array() due to lack of an EOF (End of File) check might cause huge CPU consumption
Published Sep 7, 2017
6.5
MEDIUMCVSS 3.0
EPSS 1.77%
Description
In libavformat/mxfdec.c in FFmpeg 3.3.3 -> 2.4, a DoS in mxf_read_index_entry_array() due to lack of an EOF (End of File) check might cause huge CPU consumption. When a crafted MXF file, which claims a large "nb_index_entries" field in the header but does not contain sufficient backing data, is provided, the loop would consume huge CPU resources, since there is no EOF check inside the loop. Moreover, this big loop can be invoked multiple times if there is more than one applicable data segment in the crafted MXF file.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
AV:N/AC:M/Au:N/C:N/I:N/A:C
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
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.77% (0.01768) | 77.30th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.77% (0.01768) | 75.13th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.42% (0.00416) | 59.58th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.21% (0.00206) | 59.47th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.21% (0.00206) | 57.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00293) | 64.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (5)
- http://www.debian.org/security/2017/dsa-3996 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/100700 vdb-entryx_refsource_BID
- https://github.com/FFmpeg/FFmpeg/commit/900f39692ca0337a98a7cf047e4e2611071810c2 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://github.com/FFmpeg/FFmpeg/commit/f173cdfe669556aa92857adafe60cbe5f2aa1210 x_refsource_MISC
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html mailing-listx_refsource_MLIST
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3996 | vendor-advisoryx_refsource_DEBIAN | |
| http://www.securityfocus.com/bid/100700 | vdb-entryx_refsource_BID | |
| https://github.com/FFmpeg/FFmpeg/commit/900f39692ca0337a98a7cf047e4e2611071810c2 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://github.com/FFmpeg/FFmpeg/commit/f173cdfe669556aa92857adafe60cbe5f2aa1210 | x_refsource_MISC | |
| https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html | mailing-listx_refsource_MLIST |
Change history (0)
No recorded changes yet.