CVE-2025-23419 - Bypassing Client Certificate Authentication in NGINX with Session Tickets and Shared IPs
In early 2025, a significant security issue—CVE-2025-23419—was discovered in the way NGINX handles TLS session resumption across multiple virtual servers (or “server blocks”
CVE-2025-21087 - F5 BIG-IP SSL Profile/DNSSEC Resource Exhaustion Explained (with Exploit Example)
A new risk has cropped up for F5 BIG-IP administrators, tracked as CVE-2025-21087. This issue is especially worrying because it can drive up memory and