CVE-2026-42996
10
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| JS8Call | JS8Call | 0 <= 2.3.1 | affected |
| JS8Call-improved | JS8Call-improved | 0 < 3.0 | affected |
Weaknesses
- CWE-121: CWE-121 Stack-based Buffer Overflow
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: total
Additional References
References
- https://github.com/JS8Call-improved/JS8Call-improved/security/advisories/GHSA-98hp-pjp7-w62x
- https://amateur-radio-resources.sourceforge.io/PDF/JS8APRS.pdf
- https://github.com/js8call/js8call/blob/fd721e8b67eed84cb3c09d018205ab9a53e1a8b1/APRSISClient.cpp#L89-L102
- https://github.com/JS8Call-improved/JS8Call-improved/commit/a6c7a19b82bbd7c2c0c892576f84d7449e8c7088
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