A lz4 security update has been released for Debian GNU/Linux 10 to address an integer overflow flaw.
DSA 4919-1: lz4 security update
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Debian Security Advisory DSA-4919-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
May 21, 2021 https://www.debian.org/security/faq
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Package : lz4
CVE ID : CVE-2021-3520
Debian Bug : 987856
Jasper Lievisse Adriaanse reported an integer overflow flaw in lz4, a
fast LZ compression algorithm library, resulting in memory corruption.
For the stable distribution (buster), this problem has been fixed in
version 1.8.3-1+deb10u1.
We recommend that you upgrade your lz4 packages.
For the detailed security status of lz4 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/lz4
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
