CVE-2026-10634: zephyr from 2.5.0 (inclusive), before 4.5.0 (exclusive), 3.6.0 to before 4.3.1, 4.4.0 to before 4.4.1

Affected technology

zephyr · from 2.5.0 (inclusive), before 4.5.0 (exclusive)
zephyrproject

zephyr · 3.6.0 to before 4.3.1, 4.4.0 to before 4.4.1
zephyrproject

Component: Not specified by the source
Function: released
File: subsys/net/ip/tcp.c

Attack conditions (Vendor/CNA, CVSS 3.1): Adjacent network · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Adjacent network · No privileges required · No user interaction required

What an attacker can do

The source reports that an attacker could disrupt service and access information they should not be able to access under the conditions described by the source. Vendor/CNA’s CVSS 3.1 assessment (base score 4.8/10) rates confidentiality and integrity impact as none; availability impact as high. NVD’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality and integrity impact as none; availability impact as high.