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CVE-2015-6821
The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which…
High7.5EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
The ff_mpv_common_init function in libavcodec/mpegvideo.c in FFmpeg before 2.7.2 does not properly maintain the encoding context, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted MPEG data.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
n/a
- affected n/a
References (4)
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=b160fc290cf49b516c5b6ee0730fd9da7fc623b1 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20181220 [SECURITY] [DLA 1611-1] libav security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1033483 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://ffmpeg.org/security.html (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2015-6821)Record last updated .