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CVE-2009-4636
FFmpeg 0.5 allows remote attackers to cause a denial of service (hang) via a crafted file that triggers an infinite loop.
Medium4.3EPSS 3.0%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
FFmpeg 0.5 allows remote attackers to cause a denial of service (hang) via a crafted file that triggers an infinite loop.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.0% · top 12% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (13)
- MDVSA-2011:088 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 36805 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36465 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://roundup.ffmpeg.org/roundup/ffmpeg/issue1240 (opens in a new tab)x_refsource_MISCx_transferred
- MDVSA-2011:061 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- MDVSA-2011:062 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- MDVSA-2011:112 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- MDVSA-2011:114 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- http://scarybeastsecurity.blogspot.com/2009/09/patching-ffmpeg-into-shape.html (opens in a new tab)x_refsource_MISCx_transferred
- MDVSA-2011:089 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 38643 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- ADV-2011-1241 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- DSA-2000 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2009-4636)Record last updated .