Buffer overflow in Gpsd_project Gpsd

CVE-2025-67268

gpsd before commit dc966aa contains a heap-based out-of-bounds write vulnerability in the drivers/driver_nmea2000.c file. The hnd_129540 function, which handles NMEA2000 PGN 129540 (GNSS Satellites in View) packets, fails to validate the u…

Vulnerability class: Buffer Overflow

EPSS: 0.007 (48.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-67268?
CVE-2025-67268 is a critical-severity vulnerability in Gpsd_project Gpsd, classified under Heap-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-01-02.
How severe is CVE-2025-67268?
Critical severity. CVSS v3 base score is 9.8 out of 10.