CVE-2020-23257

7.5 highEPSS 0.9%

High (7.5) in espruino espruino. EPSS 0.9% chance of exploitation in the next 30 days.

Buffer Overflow vulnerability found in Espruino 2v05.41 allows an attacker to cause a denial of service via the function jsvGarbageCollectMarkUsed in file src/jsvar.c.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE: CWE-120
Published: 2023-04-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

espruino:espruino

References

http://www.espruino.com/
https://github.com/espruino/Espruino/issues/1820
http://www.espruino.com/
https://github.com/espruino/Espruino/issues/1820

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