========================================================================== Ubuntu Security Notice USN-6376-1 September 18, 2023
c-ares vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 20.04 LTS Summary: c-ares could be made to crash if it received specially crafted network traffic. Software Description: - 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. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: libc-ares2 1.15.0-1ubuntu0.4 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-6376-1 CVE-2020-22217 Package Information: https://launchpad.net/ubuntu/+source/c-ares/1.15.0-1ubuntu0.4
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