CVE-2018-11590

Severity: medium (CVSS 5.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-05-31 · updated 2026-06-17
Weakness: CWE-190

Description

Espruino before 1.99 allows attackers to cause a denial of service (application crash) with a user crafted input file via an integer overflow during syntax parsing. This was addressed by fixing stack size detection on Linux in jsutils.c.

Affected products

Espruino: before 1.99 — fixed in 1.99

How to fix

Upgrade to a fixed version: Espruino 1.99. Check the vendor advisory for mitigations.

References

https://github.com/espruino/Espruino/commit/a0d7f432abee692402c00e8b615ff5982dde9780
https://github.com/espruino/Espruino/files/2019243/so_0.txt
https://github.com/espruino/Espruino/issues/1427
https://github.com/espruino/Espruino/commit/a0d7f432abee692402c00e8b615ff5982dde9780
https://github.com/espruino/Espruino/files/2019243/so_0.txt
https://github.com/espruino/Espruino/issues/1427

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