Is CVE-2011-2161 in the CISA KEV catalog?

No. CVE-2011-2161 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-2161?

CVE-2011-2161 has a CVSS v2 base score of 4.3 (MEDIUM).

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

CVE-2011-2161 has an EPSS score of 1.23% (65th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-2161?

Upgrade ffmpeg on debian 11 to 7:2.4.1-1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2011-2161

MEDIUM

4.3

CVSS v2

NVD

Description

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.

CWE-399Resource Management Errors

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:2.4.1-1CVE-2011-2161

FFmpegWindows application

Affected:0.5.4Fixed in:0.5.4Gyan

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.23%probability of exploitation in 30 days

65thpercentile

Moderate risk: more likely to be exploited than 65% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

ffmpeg.mplayerhq.hu

Other references1

packetstorm.linuxsecurity.com

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.