Ubuntu LTS USN-4820-1 nginx Moderate Security Patch CVE-2026-27136

A vulnerabilitie was discovered in nghttp2, a server, proxy and client implementing HTTP/2. CVE-2026-27135 Fix missing iframe->state validations to avoid assertion failure. As backported from upstream v1.68.1 (commit 5c7df8f), incl. upstream test caseLinuxSecurity – Security AdvisoriesRead More