PatchSiren

HP CVE debriefs

These pages are published after PatchSiren validates generated defensive summaries against stored public CVE and source evidence.

MEDIUM HP CVE published 2026-05-22

CVE-2026-42626

CVE-2026-42626 details a Denial of Service (DoS) vulnerability in HP ENVY 5000 series printers, specifically VERBASPP1N003.2237A.00. An unauthenticated remote attacker on the same network can establish a persistent connection to port 9100 (JetDirect/RAW printing) and send keep-alive packets, causing the printer's session threads to remain locked in a waiting state. The firmware lacks connection timeouts a [truncated]