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Debian Security Advisory DSA-4859-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
February 20, 2021                     https://www.debian.org/security/faq
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Package        : libzstd
Debian Bug     : 982519

It was discovered that zstd, a compression utility, was vulnerable to
a race condition: it temporarily exposed, during a very short
timeframe, a world-readable version of its input even if the original
file had restrictive permissions.

For the stable distribution (buster), this problem has been fixed in
version 1.3.8+dfsg-3+deb10u2.

We recommend that you upgrade your libzstd packages.

For the detailed security status of libzstd please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libzstd

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/

Mailing list: debian-security-announce@lists.debian.org
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