CVE-2025-12899 – net: icmp: Out of bound memory read

CVE ID : CVE-2025-12899

Published : Jan. 30, 2026, 6:16 a.m. | 54 minutes ago

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.

Severity: 6.5 | MEDIUM

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