CVE-2025-51602: VideoLAN VLC media player · Out-of-bounds Read
Affects VideoLAN VLC media playerSource CVE Database V5
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
- 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:LExploitation evidence
Disclosed: evidence found.
CVE published 16 Jan 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| VideoLANVLC media player | Affected
| Fixed in
|
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.