CVE-2025-67268
CRITICALCVSS v3.1: 9.8 · EPSS: 0.0053 (41.0 percentile)
Source data as of:
At a glance
- Severity
- CRITICAL
- CVSS
- 9.8 v3.1 · NVD
- EPSS
- 0.0053 (41.0 percentile) · FIRST.org
- CISA KEV
- No
- Type
- Heap Overflow · NVD CWE
- Attack conditions (CVSS vector)
- NetworkNo privilegesNo user interaction · Source: NVD Vector
- Affected vendors
- gpsd_project
- Published
- 2026-01-02 · Modified: 2026-06-30
- References
- Jump to references (8)
CVSS / EPSS / KEV
Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources
Description
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 user-supplied satellite count against the size of the skyview array (184 elements). This allows an attacker to write beyond the bounds of the array by providing a satellite count up to 255, leading to memory corruption, Denial of Service (DoS), and potentially arbitrary code execution.
References
Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.
- Reference https://github.com/Jaenact/gspd_cve/blob/main/CVE-2025-67268/README.md
- Reference https://github.com/ntpsec/gpsd/blob/master/drivers/driver_nmea2000.c
- Patch https://github.com/ntpsec/gpsd/commit/dc966aa74c075d0a6535811d98628625cbfbe3f4
- Distro https://access.redhat.com/errata/RHSA-2026:0770
- Distro https://access.redhat.com/errata/RHSA-2026:0771
- Distro https://access.redhat.com/errata/RHSA-2026:1621
- Distro https://access.redhat.com/security/cve/CVE-2025-67268
- Distro https://bugzilla.redhat.com/show_bug.cgi?id=2426835