Skip to content
Fencer Vulns
medium 5.5

CVE-2023-43771 json

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

published 2023-09-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-48148

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits
0
none known

Summary

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

Patch / fix

  • mikebrady not_quite_ptp 1.2.3
  • nqptp openSUSE Tumbleweed 1.2.4-1.1

opensuse advisories openSUSE-SU-2024:14316-1

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.5 CVSS:3.1/AC:L/AV:L/A:H/C:N/I:N/PR:L/S:U/UI:N
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.