SB2026011261 - Multiple vulnerabilities in gpsd

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Main Vulnerability Database SB2026011261

SB2026011261 - Multiple vulnerabilities in gpsd

Published: January 12, 2026

Security Bulletin ID SB2026011261
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer underflow (CVE-ID: CVE-2025-67269)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to integer underflow within the nextstate() function in gpsd/packet.c. A remote attacker can send a specially crafted NAVCOM packet to the affected application, trigger an integer underflow and perform a denial of service attack. 


2) Heap-based buffer overflow (CVE-ID: CVE-2025-67268)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in drivers/driver_nmea2000.c when handling NMEA2000 PGN 129540 (GNSS Satellites in View) packets. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References