Vojtěch Vobr discovered that c-ares incorrectly handled user input from local configuration files. An attacker could possibly use this issue to cause a denial of service via application crash.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libc-ares-dev": "1.10.0-3ubuntu0.2+esm3", "libc-ares2": "1.10.0-3ubuntu0.2+esm3", "libc-ares2-dbgsym": "1.10.0-3ubuntu0.2+esm3" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libc-ares-dev": "1.14.0-1ubuntu0.2+esm2", "libc-ares2": "1.14.0-1ubuntu0.2+esm2", "libc-ares2-dbgsym": "1.14.0-1ubuntu0.2+esm2" } ] }
{ "availability": "No subscription required", "binaries": [ { "libc-ares-dev": "1.15.0-1ubuntu0.5", "libc-ares2": "1.15.0-1ubuntu0.5", "libc-ares2-dbgsym": "1.15.0-1ubuntu0.5" } ] }
{ "availability": "No subscription required", "binaries": [ { "libc-ares-dev": "1.18.1-1ubuntu0.22.04.3", "libc-ares2": "1.18.1-1ubuntu0.22.04.3", "libc-ares2-dbgsym": "1.18.1-1ubuntu0.22.04.3" } ] }
{ "availability": "No subscription required", "binaries": [ { "libc-ares-dev": "1.19.1-3ubuntu0.1", "libc-ares2": "1.19.1-3ubuntu0.1", "libc-ares2-dbgsym": "1.19.1-3ubuntu0.1" } ] }