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Debian DSA-4954-1: C-Ares Critical Flaw Risking Domain Hijacking

debian
Calendar Grey August 10, 2021
Debian Logo
Debian Security Alert DSA-4954-1 highlights a severe vulnerability in c-ares that could lead to domain takeover; upgrading is imperative.
Philipp Jeitner and Haya Shulman discovered a flaw in c-ares, a library that performs DNS requests and name resolution asynchronously
Topics%20covered

Topics Covered

security advisory security update debian input validation critical flaw domain hijacking c-ares

Summary

For the stable distribution (buster), this problem has been fixed in
version 1.14.0-1+deb10u1.

We recommend that you upgrade your c-ares packages.

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

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
critical
Lowest
Low
Medium
High
Critical

Package: c-ares
CVE ID: CVE-2021-3672

Topics%20covered

Topics Covered

security advisory security update debian input validation critical flaw domain hijacking c-ares

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