CVE-2023-30087

MEDIUM

Cesanta MJS 1.26 - Buffer Overflow via mjs_mk_string Function

Title source: llm

Description

Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c.

References (1)

Core 1

Core References

Exploit, Issue Tracking, Vendor Advisory

https://github.com/cesanta/mjs/issues/244

Scores

CVSS v3 5.5

EPSS 0.0026

EPSS Percentile 16.8%

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 none

Automatable no

Technical Impact partial

Details

CWE

CWE-787

Status published

Products (1)

cesanta/mjs 1.26

Published May 09, 2023

Tracked Since Feb 18, 2026