Is CVE-2011-2161 being actively exploited?

CVE-2011-2161 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-2161?

CVE-2011-2161 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2011-2161

MEDIUM · CVSS 4.3EPSS 1.2%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-399
EPSS score: 1.2% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-2153)
Published: May 20, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2153 in the EU Vulnerability Database. Last updated in EUVD on September 17, 2024.

View on the EU Vulnerability Database

Affected products

ffmpeg / ffmpeg

References

http://ffmpeg.mplayerhq.hu/(Vendor Advisory)
http://packetstorm.linuxsecurity.com/1103-exploits/vlc105-dos.txt(Broken Link)
https://github.com/FFmpeg/FFmpeg/commit/8312e3fc9041027a33c8bc667bb99740fdf41dd5(Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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