The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow…
Priority LOW 33CWE-190Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.
Summary
The js_strtod function in jsdtoa.c in Artifex MuJS through 1.0.2 has an integer overflow because of incorrect exponent validation.
Why it matters now
EPSS 0.05197 92nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6191
- 2026-10-03 Alias added: GHSA-rrxp-jc5m-rx5p
References
More Artifex Mujs vulnerabilities
- TI-2021-13164 Memory corruption in mujs CVSS 3.1CRITICAL 9.8
- TI-2021-13163 In MuJS before version 1.1.2, a use-after-free flaw in the regexp source property access may cause denial of service. CVSS 3.1CRITICAL 10.0
- TI-2019-08527 An issue was discovered in Artifex MuJS 1.0.5. CVSS 3.0CRITICAL 9.8
- TI-2016-08217 An integer overflow vulnerability was observed in the regemit function in regexp.c in… CVSS 3.1CRITICAL 9.8
- TI-2016-06378 A buffer overflow vulnerability was observed in divby function of Artifex Software, Inc. CVSS 3.0CRITICAL 9.8
- TI-2016-08209 Heap-based buffer overflow in the js_stackoverflow function in jsrun.c in Artifex… CVSS 3.0CRITICAL 9.8
Sources
- CVE-2018-6191 · CVE Program
- CVE-2018-6191 · NVD
- FIRST EPSS
- GHSA-rrxp-jc5m-rx5p · GitHub Advisory Database · CC BY 4.0
- CVE-2018-6191 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences