Red Hat Security Advisory: OpenShift Container Platform 4.12.91 bug fix and security update

CVE-2025-9714 — libxslt: libxml2: Inifinite recursion at exsltDynMapFunction function in libexslt/dynamic.c CVE-2026-3497 — openssh: OpenSSH GSSAPI: Information disclosure or denial of service due to uninitialized variables CVE-2026-27135 — nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination CVE-2026-35535 — sudo: Sudo: Privilege escalation due to failure in privilege drop calls CVE-2026-43284 — kernel: "Dirty Frag" ESP XFRM variant is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel CVE-2026-46300 — kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel