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#CVE-2026-81642

1 story taggedCVE-2026-81642.

Full-frame edge-to-edge photoreal news-editorial image of a dimly lit server rack in a data centre, one 1U server pulled halfway out on its rails, network cable
Vulnerabilities

A Critical Flaw in Unbound Lets Attackers Hijack DNS Servers

A heap overflow in the DNSSEC validator of NLnet Labs' Unbound resolver, tracked as CVE-2026-81642, opens the door to remote code execution. Version 1.26.1 fixes it.

3 min read
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