7.5

CVE-2023-43628: gpsd_project gpsd Integer Underflow (Wrap or Wraparound)

CVSS: 7.5v3.1HighModified
Published 05-12-2023Last modified 04-11-2025

Vulnerability summary

CVE-2023-43628 is a high (CVSS 7.5) Integer Underflow (Wrap or Wraparound) vulnerability in gpsd_project gpsd. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 05-12-2023
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

1.23%

Chance of exploitation in the next 30 days

Percentile

69%

Versus all other CVEs

30-day change

0.00 pp

From 1.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (talosintelligence.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Gpsd1 product
Gpsd_project1 product

2 vendors · 2 products

References

2 links