VIR Vulnerability Intelligence Relay

CVE-2011-0531

critical
Published 2011-02-07 · Modified 2026-04-29
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CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
10.0

Description

demux/mkv/mkv.hpp in the MKV demuxer plugin in VideoLAN VLC media player 1.1.6.1 and earlier allows remote attackers to cause a denial of service (crash) and execute arbitrary commands via a crafted MKV (WebM or Matroska) file that triggers memory corruption, related to "class mismatching" and the MKV_IS_ID macro.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-16637 local windows verified
Metasploit · 2011-02-08

VideoLAN VLC Media Player 1.1.6 - 'MKV' Memory Corruption (Metasploit)

Source code queued for fetch — refresh in a moment.

Metasploit modules

exploit_windows/fileformat/vlc_webm rank 400
VideoLAN VLC MKV Memory Corruption
Source fetch failed: fetch_error — view the original via the link above.

OS impact
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 1.1.7-1
sid Fixed 1.1.7-1
forky Fixed 1.1.7-1
bullseye Fixed 1.1.7-1
bookworm Fixed 1.1.7-1

Application impact
VendorProductVersionsFixed
videolanvlc_media_player{"endIncluding":"1.1.6.1"}
videolanvlc_media_player0.1.99b
videolanvlc_media_player0.1.99e
videolanvlc_media_player0.1.99f
videolanvlc_media_player0.1.99g
videolanvlc_media_player0.1.99h
videolanvlc_media_player0.1.99i
videolanvlc_media_player0.2.0
videolanvlc_media_player0.2.60
videolanvlc_media_player0.2.61
videolanvlc_media_player0.2.62
videolanvlc_media_player0.2.63
videolanvlc_media_player0.2.70
videolanvlc_media_player0.2.71
videolanvlc_media_player0.2.72
videolanvlc_media_player0.2.73
videolanvlc_media_player0.2.80
videolanvlc_media_player0.2.81
videolanvlc_media_player0.2.82
videolanvlc_media_player0.2.83
videolanvlc_media_player0.2.90
videolanvlc_media_player0.2.91
videolanvlc_media_player0.2.92
videolanvlc_media_player0.3.0
videolanvlc_media_player0.3.1
videolanvlc_media_player0.4.0
videolanvlc_media_player0.4.1
videolanvlc_media_player0.4.2
videolanvlc_media_player0.4.3
videolanvlc_media_player0.4.4
videolanvlc_media_player0.4.5
videolanvlc_media_player0.4.6
videolanvlc_media_player0.5.0
videolanvlc_media_player0.5.1
videolanvlc_media_player0.5.2
videolanvlc_media_player0.5.3
videolanvlc_media_player0.6.0
videolanvlc_media_player0.6.1
videolanvlc_media_player0.6.2
videolanvlc_media_player0.7.0
videolanvlc_media_player0.7.2
videolanvlc_media_player0.8.0
videolanvlc_media_player0.8.1
videolanvlc_media_player0.8.2
videolanvlc_media_player0.8.4
videolanvlc_media_player0.8.5
videolanvlc_media_player0.8.6
videolanvlc_media_player0.9.2
videolanvlc_media_player0.9.3
videolanvlc_media_player0.9.4
videolanvlc_media_player0.9.5
videolanvlc_media_player0.9.6
videolanvlc_media_player0.9.8a
videolanvlc_media_player0.9.9
videolanvlc_media_player0.9.10
videolanvlc_media_player1.0.0
videolanvlc_media_player1.0.1
videolanvlc_media_player1.0.2
videolanvlc_media_player1.0.3
videolanvlc_media_player1.0.4
videolanvlc_media_player1.0.5
videolanvlc_media_player1.0.6
videolanvlc_media_player1.1.0
videolanvlc_media_player1.1.1
videolanvlc_media_player1.1.2
videolanvlc_media_player1.1.3
videolanvlc_media_player1.1.4
videolanvlc_media_player1.1.5
videolanvlc_media_player1.1.6

References

CWEs

CWE-20

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.