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 fun
CVSS
9.8
Critical
EPSS
0.7%
p48
KEV
—
Exploit Today
14
0-100
Published: Jan 2, 2026 · Last modified: Jul 15, 2026 · CWE-122 · CWE-1285
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.
- github.comhttps://github.com/Jaenact/gspd_cve/blob/main/CVE-2025-67268/README.md
- github.comhttps://github.com/ntpsec/gpsd/blob/master/drivers/driver_nmea2000.c
- github.comhttps://github.com/ntpsec/gpsd/commit/dc966aa74c075d0a6535811d98628625cbfbe3f4
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:0770
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:0771
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:1621
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2025-67268
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2426835
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-67268.json