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Debian: DSA-4850-1 Critical: World-Readable Permissions in Libzstd

debian
Calendar Grey February 10, 2021
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Debian Security Notice DSA-4851-1 for libxcrypt resolves insecure, universal access permissions flaw. Upgrade is advised.
It was discovered that zstd, a compression utility, temporarily exposed a world-readable version of its input even if the original file had restrictive permissions
Topics%20covered

Topics Covered

security advisory critical debian access control permissions issue critical severity permission fix libzstd compression utility permissions exposure

Summary

For the stable distribution (buster), this problem has been fixed in
version 1.3.8+dfsg-3+deb10u1.

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/source-package/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/



Severity
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Topics%20covered

Topics Covered

security advisory critical debian access control permissions issue critical severity permission fix libzstd compression utility permissions exposure

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