USN-6376-1: c-ares vulnerability
Publication date
18 September 2023
Overview
c-ares could be made to crash if it received specially crafted network traffic.
Releases
Packages
- c-ares - library for asynchronous name resolution
Details
It was discovered that c-ares incorrectly parsed certain SOA replies. A
remote attacker could possibly use this issue to cause c-res to crash,
resulting in a denial of service.
It was discovered that c-ares incorrectly parsed certain SOA replies. A
remote attacker could possibly use this issue to cause c-res to crash,
resulting in a denial of service.
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 | ||
|---|---|---|---|
| 20.04 focal | libc-ares2 – 1.15.0-1ubuntu0.4 | ||
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