What’s Vulnerable › Vulnerabilities

CVE-2018-11593

• Severity: high (CVSS 7.1 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-05-31 · updated 2026-06-17
• Weakness: CWE-787

Description

Espruino before 1.99 allows attackers to cause a denial of service (application crash) and potential Information Disclosure with a user crafted input file via a Buffer Overflow during syntax parsing because strncpy is misused in jslex.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/bed844f109b6c222816740555068de2e101e8018
• https://github.com/espruino/Espruino/files/2019228/eh_0.txt
• https://github.com/espruino/Espruino/issues/1426
• https://github.com/espruino/Espruino/commit/bed844f109b6c222816740555068de2e101e8018
• https://github.com/espruino/Espruino/files/2019228/eh_0.txt
• https://github.com/espruino/Espruino/issues/1426

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