Unbound Dns
The latest Unbound Dns coverage — news, analysis, and updates from the WindowsNews.AI desk.
Apply May 2026 Windows Update to Fix Unbound DNS Crash Vulnerability
Microsoft has patched a denial-of-service vulnerability in the NLnet Labs Unbound DNS resolver that could let an attacker crash Windows servers or cause severe performance degradation with a single...
Unbound DNS CVE-2026-42944 Heap Overflow Fixed in 1.25.1
NLnet Labs has released Unbound version 1.25.1 to address CVE-2026-42944, a high-severity heap-based buffer overflow vulnerability in its popular DNS resolver software. The flaw, disclosed on May 20,...
Unbound DNS Bug CVE-2026-42534 Slows Windows Networks, Patch Now
NLnet Labs disclosed CVE-2026-42534 on May 20, 2026, a medium-severity vulnerability in the Unbound DNS resolver that allows attackers to degrade DNS performance on Windows networks. The flaw,...
CVE-2026-41292: Unbound DNS Resolver Flawed by Malformed EDNS Options, Patch Now
A critical remote denial-of-service vulnerability in the widely used Unbound DNS resolver was disclosed on May 20, 2026, by NLnet Labs. Tracked as CVE-2026-41292, the flaw affects all Unbound...
Unbound RPZ Vulnerability Crashes Windows DNS, Upgrade to 1.25.1 Now
A severe denial-of-service vulnerability in the Unbound recursive DNS resolver is putting Windows-based networks at risk of unplanned DNS outages. Tracked as CVE-2026-44608, the flaw affects NLnet...
CVE-2026-32792: Unbound DNSCrypt Flaw Lets Attackers Crash Windows DNS
A critical denial-of-service vulnerability in NLnet Labs Unbound DNS resolver, tracked as CVE-2026-32792, can crash the service when handling specially crafted DNSCrypt queries. Published on May 20,...