What’s Vulnerable › Vulnerabilities

CVE-2023-43771

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-09-22 · updated 2026-06-17
• Weakness: CWE-400

Description

In nqptp-message-handlers.c in nqptp before 1.2.3, crafted packets received on the control port could crash the program.

Affected products

• Mikebrady Not Quite Ptp: before 1.2.3 — fixed in 1.2.3

How to fix

Upgrade to a fixed version: Mikebrady Not Quite Ptp 1.2.3. Check the vendor advisory for mitigations.

References

• https://github.com/mikebrady/nqptp/commit/b24789982d5cc067ecf6e8f3352b701d177530ec
• https://github.com/mikebrady/nqptp/releases/tag/1.2.3
• https://github.com/mikebrady/nqptp/releases/tag/1.2.4
• https://github.com/mikebrady/nqptp/commit/b24789982d5cc067ecf6e8f3352b701d177530ec
• https://github.com/mikebrady/nqptp/releases/tag/1.2.3
• https://github.com/mikebrady/nqptp/releases/tag/1.2.4

Get alerted when CVE-2023-43771 or the next vulnerability affects your stack