Packages
- dnsmasq - Small caching DNS proxy and DHCP/TFTP server
Details
Petr Menšík and Richard Johnson discovered that Dnsmasq incorrectly handled
certain inputs. An attacker could possibly use this issue to execute
arbitrary code or expose sensitive information.
Petr Menšík and Richard Johnson discovered that Dnsmasq incorrectly handled
certain inputs. An attacker could possibly use this issue to execute
arbitrary code or expose sensitive information.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 22.04 jammy | dnsmasq – 2.86-1.1ubuntu0.1 | ||
| dnsmasq-utils – 2.86-1.1ubuntu0.1 | |||
| dnsmasq-base – 2.86-1.1ubuntu0.1 | |||
| 21.10 impish | dnsmasq – 2.85-1ubuntu2.1 | ||
| dnsmasq-utils – 2.85-1ubuntu2.1 | |||
| dnsmasq-base – 2.85-1ubuntu2.1 | |||
| 20.04 focal | dnsmasq – 2.80-1.1ubuntu1.5 | ||
| dnsmasq-utils – 2.80-1.1ubuntu1.5 | |||
| dnsmasq-base – 2.80-1.1ubuntu1.5 | |||
| 18.04 bionic | dnsmasq – 2.79-1ubuntu0.6 | ||
| dnsmasq-utils – 2.79-1ubuntu0.6 | |||
| dnsmasq-base – 2.79-1ubuntu0.6 | |||
| 16.04 xenial | dnsmasq – 2.75-1ubuntu0.16.04.10+esm1 | ||
| dnsmasq-utils – 2.75-1ubuntu0.16.04.10+esm1 | |||
| dnsmasq-base – 2.75-1ubuntu0.16.04.10+esm1 | |||
| 14.04 trusty | dnsmasq – 2.68-1ubuntu0.2+esm1 | ||
| dnsmasq-utils – 2.68-1ubuntu0.2+esm1 | |||
| dnsmasq-base – 2.68-1ubuntu0.2+esm1 | |||
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