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

CVE-2025-51602 is fixed in 2 products on 2 platforms, first by VLC media player 3.0.22, released November 27, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2025-51602
- Priority: Routine
- CVSS: 4.8 (medium)
- EPSS: 0.0041
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Dec 14, 2025
- Weakness: CWE-125: Out-of-bounds Read
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-51602

## 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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | VLC media player | 3.0.22 | [VLC media player 3.0.22](https://patchblox.com/security/data/fix/windows-app/videolan.vlc-3.0.22.md) | Nov 27, 2025 |
| Linux | vlc Debian 11.6 (bullseye) | 3.0.23-0+deb11u1 | [DLA-4507-1](https://patchblox.com/security/data/fix/linux/dla-4507-1.md) | Mar 23, 2026 |
| Linux | vlc Debian 12.15 (bookworm) | 3.0.22-0+deb12u1 | [DSA-6082-1](https://patchblox.com/security/data/fix/linux/dsa-6082-1.md) | Dec 14, 2025 |
| Linux | vlc Debian 13.5 (trixie) | 3.0.22-0+deb13u1 | [DSA-6082-1](https://patchblox.com/security/data/fix/linux/dsa-6082-1.md) | Dec 14, 2025 |
| Linux | vlc Debian 14 | 3.0.22-1 | [DEBIAN-CVE-2025-51602](https://patchblox.com/security/data/fix/linux/debian-cve-2025-51602.md) | Jan 16, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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