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CVE-2019-16866

Status Candidate

Overview

Unbound before 1.9.4 accesses uninitialized memory, which allows remote attackers to trigger a crash via a crafted NOTIFY query. The source IP address of the query must match an access-control rule.

Related Files

Debian Security Advisory 4544-1
Posted Oct 16, 2019
Authored by Debian | Site debian.org

Debian Linux Security Advisory 4544-1 - X41 D-Sec discovered that unbound, a validating, recursive, and caching DNS resolver, did not correctly process some NOTIFY queries. This could lead to remote denial-of-service by application crash.

tags | advisory, remote
systems | linux, debian
advisories | CVE-2019-16866
MD5 | e2863cd2579b2db0e1f3f181b40026d8
Ubuntu Security Notice USN-4149-1
Posted Oct 8, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4149-1 - It was discovered that Unbound incorrectly handled certain NOTIFY queries. An attacker could possibly use this issue to cause a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2019-16866
MD5 | b07065f7300ee21608ff0fe67d97ff6e
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