What is CVE-2026-10684?

CVE-2026-10684 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Out-of-bounds Read. CVSS score: 3.0/10. Published 2026-07-29.

How severe is CVE-2026-10684?

Low severity. CVSS v3 base score is 3.0 out of 10.

Out-of-bounds Read in Zephyrproject Zephyr

CVE-2026-10684

In subsys/debug/coredump/coredump_shell.c, print_coredump_hdr() used the 16-bit tgt_code field of a stored Zephyr coredump header directly as an index into coredump_target_code2str[], a fixed 7-element array of string pointers, with no bou…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 3.0 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:L.

Affected products

Zephyrproject Zephyr — versions 4.2.0, 4.4.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

vulnerabilities@zephyrproject.org (patch)
vulnerabilities@zephyrproject.org

Frequently asked questions

What is CVE-2026-10684?: CVE-2026-10684 is a low-severity vulnerability in Zephyrproject Zephyr, classified under Out-of-bounds Read. CVSS score: 3.0/10. Published 2026-07-29.
How severe is CVE-2026-10684?: Low severity. CVSS v3 base score is 3.0 out of 10.