zephyr: out-of-bound read in utf8_trunc
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.3epss 0.6%
exploitation probability
0.6%top 54% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected products
zephyrproject-rtos · Zephyr