CVE-2026-7840 - UltraVNC repeater HTTP server global buffer overflow via long URI (pre-auth RCE)
CVE ID :CVE-2026-7840 Published : July 1, 2026, 3:33 a.m. | 1 hour, 39 minutes ago Description :UltraVNC repeater through 1.8.2.2 contains a global buffer overflow in its embedded HTTP administration server. The functions wi_senderr() and wi_replyhdr() in repeater/webgui/webutils.c write the...