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CVE-2026-42996

Stack-Based Buffer Overflow in JS8Call via APRSIS Transmission

JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of @APRSIS GRID followed by a long Maidenhead locator. This occurs in grid2deg in APRSISClient.cpp.

CVSS 4.0 · 10 Critical EPSS < 1% KEV · Not listed
Vendors
Js8call
Products
Js8call Js8call-improved