CVE-2025-1673: Out of bounds read when calling crc16_ansi and strlen in dns_validate_msg
First published: Tue Feb 25 2025(Updated: )
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.
Credit: vulnerabilities@zephyrproject.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zephyr Project Manager | <=4.0 |
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Frequently Asked Questions
What is the severity of CVE-2025-1673?
CVE-2025-1673 is classified as a denial of service vulnerability due to its ability to cause a crash.
How do I fix CVE-2025-1673?
To mitigate CVE-2025-1673, upgrade to a version of the Zephyr Project Manager beyond 4.0.
What causes the vulnerability in CVE-2025-1673?
CVE-2025-1673 is caused by a malicious or malformed DNS packet without a payload leading to an out-of-bounds read.
Which versions of Zephyr Project Manager are affected by CVE-2025-1673?
CVE-2025-1673 affects all versions of Zephyr Project Manager up to and including version 4.0.
What type of attack can exploit CVE-2025-1673?
CVE-2025-1673 can be exploited through denial of service attacks that result in application crashes.
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