Vulnerability · Published Feb 25, 2025 · Assigned by zephyr

CVE-2025-1675Out of bounds read in dns_copy_qname

High 8.2

In plain English

A high-severity out-of-bounds read in Zephyr from zephyrproject-rtos. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.4%top 67.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
zephyrproject-rtos Zephyr * – before 3.7.24.0.0 – before 4.1.0

Weakness: CWE-125 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

References