Description
The function dns_copy_qname in dns_pack.c performs performs a memcpy operation with an untrusted field and does not check if the source buffer is large enough to contain the copied data.
References (1)
Core 1
Core References
Patch, Vendor Advisory
https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4
Scores
CVSS v3
8.2
EPSS
0.0040
EPSS Percentile
60.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-125
Status
published
Products (1)
zephyrproject/zephyr
< 4.0.0
Published
Feb 25, 2025
Tracked Since
Feb 18, 2026