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CVE-2011-0531

72
FAUCET Score

CVE-2011-0531 is a critical memory corruption vulnerability in the MKV demuxer plugin of VideoLAN VLC media player versions 1.1.6.1 and earlier. Attackers can exploit this by crafting a malicious MKV (WebM or Matroska) file, leading to a denial of service (crash) and potentially arbitrary code execution. With a CVSS score of 9.3, this vulnerability is highly severe, requiring no authentication and having complete impact on confidentiality, integrity, and availability. While not listed in KEV, a Metasploit module and ExploitDB entry exist, indicating readily available exploit code, despite minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.1.6.1CPE matchmatch criteria
cpe:2.3:a:videolan:vlc_media_player:*:*:*:*:*:*:*:*
0.1.99bCPE matchmatch criteria
cpe:2.3:a:videolan:vlc_media_player:0.1.99b:*:*:*:*:*:*:*
0.1.99eCPE matchmatch criteria
cpe:2.3:a:videolan:vlc_media_player:0.1.99e:*:*:*:*:*:*:*
0.1.99fCPE matchmatch criteria
cpe:2.3:a:videolan:vlc_media_player:0.1.99f:*:*:*:*:*:*:*
0.1.99gCPE matchmatch criteria
cpe:2.3:a:videolan:vlc_media_player:0.1.99g:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
41.58%
Probability of exploitation in next 30 days
EPSS Percentile
98.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: VideoLAN VLC MKV Memory Corruption · Jan 31, 2011
ExploitDB: EDB-16637 · Feb 8, 2011
This CVE's current EPSS score of 0.4158 is in the 97th percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

git.videolan.org
osvdb.org / 70698
secunia.com / advisories/43131
Vendor Advisory
secunia.com / advisories/43242
exchange.xforce.ibmcloud.com / vulnerabilities/65045
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12415
debian.org / security/2011/dsa-2159
openwall.com / lists/oss-security/2011/01/31/4
Patch
openwall.com / lists/oss-security/2011/01/31/8
Patch
securityfocus.com / bid/46060
securitytracker.com / id
videolan.org / security/sa1102.html
PatchVendor Advisory
vupen.com / english/advisories/2011/0363