Critical remotely triggerable Linux kernel H.323 parser bug

A remotely triggerable H.323 connection-tracking parser bug in the Linux kernel can read out of bounds from unauthenticated packets, keeping legacy protocol parsers on the front line

found a remotely triggerable out-of-bounds read in the Linux kernel's H.323 connection tracking parser (CVE-2026-23455, CVSS 9.1 Critical). no authentication. no privileges. send a packet and the kernel reads memory until it hits an unmappe
Ranked #5 on backlist 2026-06-02 (02 Jun 2026 UTC) · by (Jenny Qu) ·

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