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Emerging threatsHigh

CVE-2018-11529Vlc Media Player Use-After-Free

VideoLAN VLC media player 2.2.x is prone to a use after free vulnerability which an attacker can leverage to execute arbitrary code via crafted MKV files.

Published Jul 11, 2018 · Updated Aug 4, 2026 · Also known as DEBIAN-CVE-2018-11529, DSA-4251-1, UBUNTU-CVE-2018-11529

Key Facts

Patch immediately
  • CVE-2018-11529 is a high-severity vulnerability (CVSS 8.0 v3.1) affecting Vlc Media Player (Videolan), Debian Linux, vlc (arch).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 37% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Vlc Media Player <=2.2.8, vlc 2.1.6-0ubuntu14.04.5+esm1, vlc 2.2.2-5ubuntu0.16.04.5+esm1.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3.1

8.0

CVSS:3.0/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

37%

Higher than 98.5% of all scored CVEs

Exploit maturity

Weaponized

ATLAS score

61/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Weaponized

Public exploit code

3

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Description

VideoLAN VLC media player 2.2.x is prone to a use after free vulnerability which an attacker can leverage to execute arbitrary code via crafted MKV files. Failed exploit attempts will likely result in denial of service conditions.

Affected Products

18 affected entries in total
ProductAffected versionsFixed in
Vlc Media PlayerVideolanSee advisory2.2.8
Debian LinuxDebian9.0n/a
vlcarchSee advisory3.0.3.r1-1

Patched Releases

Vlc Media Player

<=2.2.8

vlc

2.1.6-0ubuntu14.04.5+esm1, 2.2.2-5ubuntu0.16.04.5+esm1, 3.0.3-1-0+deb9u1, 3.0.3-1-1, 3.0.3.r1-1

Timeline

  1. Publicly disclosed

    Jul 11, 2018

  2. Last updated

    Aug 4, 2026

Weakness Type

  • CWE-416 Use After Free

References

6 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2018-11529 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

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