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Debian LTS Advisory DLA-2604-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                                     
March 22, 2021                                https://wiki.debian.org/LTS
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Package        : dnsmasq
Version        : 2.76-5+deb9u3
CVE ID         : CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684 
                 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 Debian 9 stretch, these problems have been fixed in version
2.76-5+deb9u3.

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/source-package/dnsmasq

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

Debian LTS: DLA-2604-1: dnsmasq security update

March 22, 2021
Moshe Kol and Shlomi Oberman of JSOF discovered several vulnerabilities in dnsmasq, a small caching DNS proxy and DHCP/TFTP server

Summary

For Debian 9 stretch, these problems have been fixed in version
2.76-5+deb9u3.

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/source-package/dnsmasq

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


Severity
Package : dnsmasq
Version : 2.76-5+deb9u3
CVE ID : CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684

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