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.
The product reads data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-2m84-5hfw-m8v4 | patch vendor advisory |