Description
In utf8_trunc in zephyr/lib/utils/utf8.c, last_byte_p can point to one byte before the string pointer if the string is empty.
References (1)
Core 1
Core References
Exploit, Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gg46-3rh2-v765
Scores
CVSS v3
6.3
EPSS
0.0012
EPSS Percentile
30.0%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-125
CWE-787
Status
published
Products (1)
zephyrproject/zephyr
< 3.6.0
Published
Oct 04, 2024
Tracked Since
Feb 18, 2026