Debian alert DLA-3323-1 (c-ares)

From:
             
 
Markus Koschany <apo@debian.org>
To:
             
 
debian-lts-announce <debian-lts-announce@lists.debian.org>
Subject:
             
 
[SECURITY] [DLA 3323-1] c-ares security update
Date:
             
 
Sat, 18 Feb 2023 23:55:21 +0100
Message-ID:
             
 
<82fabc8fe1b100b7ee4d5d4065eec30cef795b9f.camel@debian.org>
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Debian LTS Advisory DLA-3323-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                      Markus Koschany
February 18, 2023                             https://wiki.debian.org/LTS
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Package        : c-ares
Version        : 1.14.0-1+deb10u2
CVE ID         : CVE-2022-4904
Debian Bug     : 1031525

It was discovered that in c-ares, an asynchronous name resolver library,
the config_sortlist function is missing checks about the validity of the
input string, which allows a possible arbitrary length stack overflow and
thus may cause a denial of service.

For Debian 10 buster, this problem has been fixed in version
1.14.0-1+deb10u2.

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/c-ares

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS