CVE-2021-36535

MEDIUM

Cesanta mJS 1.26 - Denial of Service via mjs_set_errorf Buffer Overflow

Title source: llm
STIX 2.1

Description

Buffer Overflow vulnerability in Cesanta mJS 1.26 allows remote attackers to cause a denial of service via crafted .js file to mjs_set_errorf.

References (1)

Core 1
Core References
Exploit, Issue Tracking, Third Party Advisory
https://github.com/cesanta/mjs/issues/175

Scores

CVSS v3 5.5
EPSS 0.0037
EPSS Percentile 29.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (1)
cesanta/mjs 1.26
Published Feb 03, 2023
Tracked Since Feb 18, 2026