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Debian Security Advisory DSA-4844-1                   security@debian.org
https://www.debian.org/security/                       Sebastien Delafond
February 02, 2021                     https://www.debian.org/security/faq
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Package        : dnsmasq
CVE ID         : CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684 
                 CVE-2020-25685 CVE-2020-25686 CVE-2020-25687

Moshe Kol and Shlomi Oberman of JSOF discovered several
vulnerabilities in dnsmasq, a small caching DNS proxy and DHCP/TFTP
server. They could result in denial of service, cache poisoning or the
execution of arbitrary code.

For the stable distribution (buster), these problems have been fixed in
version 2.80-1+deb10u1.

We recommend that you upgrade your dnsmasq packages.

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

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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