What is CVE-2023-43628?

CVE-2023-43628 is a medium-severity vulnerability in Gpsd, classified under Integer Underflow. CVSS score: 5.9/10. Published 2023-12-05.

How severe is CVE-2023-43628?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Integer overflow in Gpsd

CVE-2023-43628

An integer underflow vulnerability exists in the NTRIP Stream Parsing functionality of GPSd 3.25.1~dev. A specially crafted network packet can lead to memory corruption. An attacker can send a malicious packet to trigger this vulnerability.

Published 2023-12-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.012 (68.4th percentile), scored 2026-10-20.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Gpsd — versions 3.25.1~dev
Gpsd Project — versions 3.25.1

Weakness classification (CWE)

CWE-191 — Integer Underflow

References

talosintelligence.com/vulnerability_reports/TALOS-2023-1860 (Exploit, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2023-43628?: CVE-2023-43628 is a medium-severity vulnerability in Gpsd, classified under Integer Underflow. CVSS score: 5.9/10. Published 2023-12-05.
How severe is CVE-2023-43628?: Medium severity. CVSS v3 base score is 5.9 out of 10.