Is CVE-2011-3623 in the CISA KEV catalog?

No. CVE-2011-3623 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3623?

CVE-2011-3623 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2011-3623?

CVE-2011-3623 has an EPSS score of 4.33% (90th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-3623?

Upgrade vlc on debian 11 to 1.1.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-3623

HIGHEPSS 90th pctl

7.5

CVSS v2

NVD

Description

Multiple stack-based buffer overflows in VideoLAN VLC media player before 1.0.2 allow remote attackers to execute arbitrary code via (1) a crafted ASF file, related to the ASF_ObjectDumpDebug function in modules/demux/asf/libasf.c; (2) a crafted AVI file, related to the AVI_ChunkDumpDebug_level function in modules/demux/avi/libavi.c; or (3) a crafted MP4 file, related to the __MP4_BoxDumpStructure function in modules/demux/mp4/libmp4.c.

CWE-119Buffer Overflow

How to fix

Remediation Available

vlcDebian

Fixed in:1.1.3-1CVE-2011-3623

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

4.33%probability of exploitation in 30 days

90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Vendor Advisory1

videolan.org

Other references5

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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 2026-05-06.