Fedora 42 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read • Source: Fedora update FEDORA-2026-6c99aaa6d3 Related CVEs: CVE-2026-40355 CVE-2026-40356 Upstream summary: – Fix NegoEx parsing vulnerabilities (CVE-2026-40355, CVE-2026-40356) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]