CVE-2018-6191
The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 5.2%. Treat it as high on anything reachable from the internet.
Description
The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 5.20% probability · 92th percentile
- Public exploits
- 1 in Exploit-DB · first 28 January 2018
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- artifex/mujs
- Source
- cve@mitre.org
EPSS moved from 7.4% on 21 September 2026 to 5.2% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://git.ghostscript.com/?p=mujs.git%3Ba=commit%3Bh=25821e6d74fab5fcc200fe5e818362e03e114428
- http://www.securityfocus.com/bid/102840Third Party Advisory, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=698920Permissions Required
- https://www.exploit-db.com/exploits/43903/Exploit, Patch, Third Party Advisory, VDB Entry
- http://git.ghostscript.com/?p=mujs.git%3Ba=commit%3Bh=25821e6d74fab5fcc200fe5e818362e03e114428
- http://www.securityfocus.com/bid/102840Third Party Advisory, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=698920Permissions Required
- https://www.exploit-db.com/exploits/43903/Exploit, Patch, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.