CVE-2011-2161
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer,...
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
Exploit likelihood
What each source reports
NVD Score used
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
CVE-2011-2161- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
CVE-2011-2161- Updated
- 2026-11-02
EUVDEUVD-2011-2153 No score
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
EUVD-2011-2153- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6cpv-jrx7-frg6 No score
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer,...
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
GHSA-6cpv-jrx7-frg6- Updated
- 2026-11-02
OSV No score
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
CVE-2011-2161- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-2161 No score
The ape_read_header function in ape.c in libavformat in FFmpeg before 0.5.4, as used in MPlayer, VideoLAN VLC media player, and other products, allows remote attackers to cause a denial of service (application crash) via an APE (aka Monkey's Audio) file that contains a header but no frames.
- Record
DEBIAN-CVE-2011-2161- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-2161 is a medium vulnerability (CVSS 4.3) in Ffmpeg, published May 20, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.23%, the 69th percentile. Fixed in ffmpeg 7:2.4.1-1.