========================================================================== Ubuntu Security Notice USN-4149-1 October 08, 2019
unbound vulnerability ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 19.04 Summary: Unbound could be made to crash if it received a specially crafted NOTIFY query. Software Description: - unbound: validating, recursive, caching DNS resolver Details: It was discovered that Unbound incorrectly handled certain NOTIFY queries. An attacker could possibly use this issue to cause a denial of service. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04: libunbound8 1.9.0-2ubuntu0.1 unbound 1.9.0-2ubuntu0.1 In general, a standard system update will make all the necessary changes. References: https://usn.ubuntu.com/4149-1 CVE-2019-16866 Package Information: https://launchpad.net/ubuntu/+source/unbound/1.9.0-2ubuntu0.1
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