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Security Updates

Curated posts on security vulnerabilities, advisories, patch status, and incident response.

ssh-keysign-pwn (CVE-2026-46333): Linux Local Information Disclosure, SSH Host Keys, and /etc/shadow Risk

How to Check CVE-2026-42945: Nginx Rift Trigger Conditions, Version Checks, and Upgrade Advice

Dirty Frag, Copy Fail, and Fragnesia: Comparing Three Recent Linux Local Privilege Escalation Flaws

Fragnesia (CVE-2026-46300): Impact and Mitigation for a Linux Kernel Local Privilege Escalation Flaw