CVE-2020-23257

Published: Apr 4, 2023Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (1)

Products: Espruino: Espruino

Espruino

1 product

Espruino

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Espruino Espruino	Version 2.05.41

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (4)

http://www.espruino.com/

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

ExploitIssue Tracking

http://www.espruino.com/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

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

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitIssue Tracking

Timeline

No history available yet.