Out-of-bounds Read in Zephyrproject Zephyr
CVE-2026-10773
The DHCPv4 client helper net_dhcpv4_msg_type_name() in subsys/net/lib/dhcpv4/dhcpv4.c indexes a static 8-element const char * name table after a faulty bounds check. The guard used msg_type <= sizeof(name) instead of msg_type <= ARRAY_SIZE…
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Zephyrproject Zephyr — versions 1.7.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-10773?
- CVE-2026-10773 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2026-08-01.
- How severe is CVE-2026-10773?
- Medium severity. CVSS v3 base score is 5.4 out of 10.