CVE-2026-10638: zephyr from 4.2.0 (inclusive), before 4.5.0 (exclusive), 3.7.0 to before 4.3.1, 4.4.0 to before 4.4.1

Affected technology

zephyr · from 4.2.0 (inclusive), before 4.5.0 (exclusive)
zephyrproject

zephyr · 3.7.0 to before 4.3.1, 4.4.0 to before 4.4.1
zephyrproject

Component: Not specified by the source
File: subsys/net/ip/icmpv6.c

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.