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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2025-12899

net: icmp: Out of bound memory read

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

zephyrproject-rtos Zephyr

Default version status: unaffected

  • * to < 3.7.2affected
  • 4.0.0 to < 4.2.2affected

References