CRITICALCVE-2026-42996Published Modified CNA mitre
CVE-2026-42996: JS8Call through 2
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.
Metrics
- CVSS v4.0
- 10.0
- Severity
- CRITICAL
- Fixed in
- 3.0
- Affected Products
- 2
Fix available
3.0
Affected packages
- JS8Call / JS8Call≤ 2.3.1
- JS8Call-improved / JS8Call-improved< 3.0 (from 0)
CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:D/RE:M/U:Green