CVE-2020-23257

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.

CVSS v3.1 NVD

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

EPSS

0.87% chance of exploitation in the next 30 days, 58th percentile

Published

2023-04-04

Updated

2025-02-13

Proof-of-concept exploits (1)

• espruino/Espruino/issues/18202978★ · 2026-10-12

Security advisories

• http://www.espruino.com

References

• CVE Record
• NVD entry

Related

• CVE-2018-20201
• CVE-2020-19693
• CVE-2020-22884
• CVE-2021-46323
• CVE-2021-46324
• CVE-2021-46325