Security Advisory

CVE-2025-12899

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-01-30 05:34:19
Last updated 2026-01-30 14:47:21
Assigner zephyr
State PUBLISHED

Description

A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.