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#Denial of Service

17 stories taggedDenial of Service · page 2 of 2.

Illustration: A row of black server rack units with blinking amber and red indicator lights in a dimly lit data centre
Vulnerabilities

CISA Orders Federal Agencies to Patch Palo Alto Firewall Flaw Being Exploited Now

A misconfigured URL filtering setting in Palo Alto Networks firewall software is letting attackers weaponise the firewalls themselves, turning them into unwitting cannons pointed at other targets.

3 min read
Illustration: Macro close-up of dense copper server rack wiring and port arrays
Vulnerabilities

HTTP/2 Bomb: A Decade-Old Compression Trick Finally Gets a CVE

A chained HPACK attack lets small packets force runaway memory allocation on nginx, Apache, IIS, Envoy and Cloudflare's Pingora. Patches are partial. Exposure is wide.

3 min read
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