Stack-based Buffer Overflow Affecting JS8Call-improved/JS8Call-improved package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-JS8CALLIMPROVEDJS8CALLIMPROVED-16352703
- published3 May 2026
- disclosed1 May 2026
- creditjoscandreu
Introduced: 1 May 2026
CVE-2026-42996 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Stack-based Buffer Overflow via the grid2deg function in APRSISClient.cpp when processing a radio transmission containing @APRSIS GRID followed by an excessively long Maidenhead locator. An attacker can cause a crash or potentially execute arbitrary code by sending a specially crafted radio transmission.