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Unscored USN-4968-1 1 CVE

lz4 vulnerability

Published May 26, 2021 · Updated Apr 22, 2026

Summary

It was discovered that LZ4 incorrectly handled certain memory operations.
If a user or automated system were tricked into uncompressing a specially-
crafted LZ4 file, a remote attacker could use this issue to cause LZ4 to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 18.04 LTS 18.04:LTS lz4 0.0~r131-2ubuntu3.1
Ubuntu · 20.04 LTS 20.04:LTS lz4 1.9.2-2ubuntu0.20.04.1

Vulnerabilities 1

References

  • report
    https://ubuntu.com/security/CVE-2021-3520