CVE-2026-88388
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Espruino 2v29 (commit bffc6d0) contains a stack-based buffer overflow vulnerability in the JavaScript error stack-trace handling path on 64-bit builds. A remote attacker can supply JavaScript input that triggers an exception and reaches jslPrintTokenLineMarker(), which passes the address of a 4-byte int column variable to jsvGetLineAndCol() as a size_t pointer. jsvGetLineAndCol() performs an 8-byte write through the mismatched pointer, overwriting adjacent stack memory.
| Vendor | n/a |
| Product | n/a |
| Published | Sep 24, 2026 |
| Last Updated | Sep 24, 2026 |
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Affected Versions
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