CVE-2018-6191

MEDIUM

Artifex MuJS < 1.0.2 - Integer Overflow in js_strtod

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-6191. PoCs published by Andrea Sindoni.

AI-analyzed exploit summary The exploit demonstrates an integer overflow in the js_strtod function in Artifex MuJS due to incorrect exponent validation, leading to an out-of-bounds read and crash. The PoC is a JavaScript file that triggers the vulnerability by using an excessively large exponent.

Description

The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.

Exploits (1)

exploitdb WORKING POC
by Andrea Sindoni · textdosmultiple
https://www.exploit-db.com/exploits/43903

The exploit demonstrates an integer overflow in the js_strtod function in Artifex MuJS due to incorrect exponent validation, leading to an out-of-bounds read and crash. The PoC is a JavaScript file that triggers the vulnerability by using an excessively large exponent.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Artifex MuJS through 1.0.2
No auth needed
Prerequisites: Artifex MuJS version through 1.0.2
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102840
Exploit, Patch, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43903/
Permissions Required x_refsource_misc
https://bugs.ghostscript.com/show_bug.cgi?id=698920

Scores

CVSS v3 5.5
EPSS 0.0529
EPSS Percentile 91.5%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-190
Status published
Products (1)
artifex/mujs < 1.0.2
Published Jan 24, 2018
Tracked Since Feb 18, 2026