# CVE-2014-4611: Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4\_uncompress function in lib/lz4/l

- 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

Integer overflow in the LZ4 algorithm implementation, as used in Yann Collet LZ4 before r118 and in the lz4_uncompress function in lib/lz4/lz4_decompress.c in the Linux kernel before 3.15.2, on 32-bit platforms might allow context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted Literal Run that would be improperly handled by programs not complying with an API limitation, a different vulnerability than CVE-2014-4715.

## 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.
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## Related

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

## References

- http://www.openwall.com/lists/oss-security/2014/06/26/24
- https://www.securitymouse.com/lms-2014-06-16-6
- https://code.google.com/p/lz4/source/detail?r=118
- http://lists.opensuse.org/opensuse-updates/2014-07/msg00025.html
- http://twitter.com/djrbliss/statuses/485042901399789568
- http://secunia.com/advisories/60238
- http://twitter.com/djrbliss/statuses/484931749013495809
- http://www.securitytracker.com/id/1030491
- http://secunia.com/advisories/59770
- http://fastcompression.blogspot.fr/2014/06/debunking-lz4-20-years-old-bug-myth.html
- http://secunia.com/advisories/59567
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=206204a1162b995e2185275167b22468c00d6b36
- https://github.com/torvalds/linux/commit/206204a1162b995e2185275167b22468c00d6b36
- http://blog.securitymouse.com/2014/06/raising-lazarus-20-year-old-bug-that.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.15.2
- https://bugzilla.redhat.com/show_bug.cgi?id=1112436
- https://www.securitymouse.com/lms-2014-06-16-5
- https://code.google.com/p/lz4/issues/detail?id=52
- https://lists.apache.org/thread.html/rb301598bf24ecb6f4ce405c2a2ae23905fc4dce64277c020fc3883e5%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r0038b5836e3bc91af3ff93721c0fc55d6543afab8cec47df7361fa0e%40%3Ccommon-dev.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/ra72a62803eeabb6a8dc65032ca81b13ab75c271e4dff2df27c2915bb%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r62f398f40f522cf59cfd89428835d4ca633a9764d82e4b7a12c37add%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r6c998e1a47c1c3fba61a80d0dcc4b39c7fc452400c7051f685b76c0b%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r35b9f26c8ad91094d37bea0256012aeb065e32ff73dda5f934fefeb3%40%3Ccommon-issues.hadoop.apache.org%3E
- https://lists.apache.org/thread.html/r8e0111cd64a455b0a33ab12a50fba724a0218f283c759f16da8864c2%40%3Ccommon-issues.hadoop.apache.org%3E

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