CVE-2026-122992

Integer Underflow in DStarGateway RS-MS1A Sender Field

Published Nov 5, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
In G4KLX DStarGateway and F4FXL DStarGateway before 7b75de6, dstarCallsignToAPRS in APRSUtils.cpp has an integer underflow via an empty RS-MS1A sender field.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared G4klx
G4klx dstargateway
Vendors & Products G4klx
G4klx dstargateway
Type Values Removed Values Added
Title Integer Underflow in DStarGateway RS-MS1A Sender Field
Type Values Removed Values Added
Description In G4KLX DStarGateway and F4FXL DStarGateway before 7b75de6, dstarCallsignToAPRS in APRSUtils.cpp has an integer underflow via an empty RS-MS1A sender field.
Weaknesses CWE-191
References
Metrics cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 9, 2026, 8:39 PM
Reserved
Nov 5, 2026, 2:36 AM
Status
Deferred
Published
Nov 5, 2026, 3:17 AM
Modified
Nov 12, 2026, 10:11 PM