CVE-2025-1673 HIGH

CVE-2025-1673: Out of bounds read when calling crc16_ansi and strlen in dns_validate_msg

Vendor Zephyrproject-Rtos
Product Zephyr
Weakness CWE-125
Published February 25, 2025
Last update February 28, 2025
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

What the vulnerability does

01Description

A malicious or malformed DNS packet without a payload can cause an out-of-bounds read, resulting in a crash (denial of service) or an incorrect computation.

Key dates

02Disclosure timeline

February 25, 2025 CVE published
February 28, 2025 Record updated