JS8Call-improved

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Exploited (KEV)0None in CISA KEV

CVSS critical1CVSS 9.0–10.0

CVSS high0CVSS 7.0–8.9

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JS8Call-improved records in CISA KEV

No JS8Call-improved vulnerabilities are listed in CISA KEV.

Records

1 record

TI-2026-31176 CVE-2026-42996 · GHSA-j23g-7p7w-3f6j

Stack-based buffer overflow in JS8Call

HIGH 82

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.

CVSS 4.0CRITICAL 10.0 Network No auth No interaction EPSS 0.00571 Published 2026-05-01 Fixed in 3.0 CWE-121

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