Skip to main content
CVE-2025-51602VulnerabilityPublished Updated

CVE-2025-51602: VideoLAN VLC media player · Out-of-bounds Read

Affects VideoLAN VLC media playerSource CVE Database V5

0

Not known to be exploited · CVSS 4.8 Medium : upgrade to 3.0.22 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 3.0.22
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jan 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Upgrade VideoLAN VLC media player to 3.0.22.

Affected software

ProductAffectedFixed in
VideoLANVLC media playerAffected
  • <3.0.22
Fixed in
  • 3.0.22

AI-suggested

To mitigate CVE-2025-51602, organizations should prioritize updating VLC media player to version 3.0.22 or later once the patch is released by VideoLAN. Until then, administrators should restrict or block MMS streaming traffic from untrusted or unknown sources to reduce exposure. Network-level filtering or firewall rules can be applied to limit access to MMS servers. Monitoring VLC application logs for crashes or unusual behavior related to MMS streams can help detect attempted exploitation. For environments where VLC is embedded or integrated into larger systems, consider disabling MMS protocol support if not required. Security teams should also educate users about the risks of opening media streams from untrusted sources. Finally, maintain an inventory of VLC deployments to ensure timely patch management and vulnerability response.

Description

mmstu.c in VideoLAN VLC media player before 3.0.22 allows an out-of-bounds read and denial of service via a crafted 0x01 response from an MMS server.

References

Community reviews

Loading reviews…