Js8Call · Js8Call · CVE-2026-42996
**Name of the Vulnerable Software and Affected Versions**
JS8Call versions prior to 2.3.2
JS8Call-improved versions prior to 3.0
**Description**
A stack-based buffer overflow occurs during the processing of a radio transmission containing @APRSIS GRID followed by a long Maidenhead locator. This issue is located within the `grid2deg()` function in the APRSISClient.cpp file.
**Recommendations**
Update JS8Call to version 2.3.2 or later.
Update JS8Call-improved to version 3.0 or later.