Debian Security Advisory
DLA-2604-1 dnsmasq -- LTS security update
- Date Reported:
- 22 Mar 2021
- Affected Packages:
- Security database references:
- In Mitre's CVE dictionary: CVE-2020-25681, CVE-2020-25682, CVE-2020-25683, CVE-2020-25684, CVE-2020-25687.
- More information:
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/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