Debian Security Advisory
DLA-2738-1 c-ares -- LTS security update
- Date Reported:
- 10 Aug 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2021-3672.
- More information:
An issue has been found in c-ares, an asynchronous name resolver. Missing input validation of host names returned by Domain Name Servers can lead to output of wrong hostnames.
For Debian 9 stretch, this problem has been fixed in version 1.12.0-1+deb9u2.
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