An issue was discovered in Artifex MuJS 1.0.5.
Priority MEDIUM 45CWE-185Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
An issue was discovered in Artifex MuJS 1.0.5. regcompx in regexp.c does not restrict regular expression program size, leading to an overflow of the parsed syntax list size.
Why it matters now
EPSS 0.01661 76th percentileScored 2026-11-07
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.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-12798
- 2026-10-03 Alias added: GHSA-pccm-w2w7-v4p2
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-2019-12798 · CVE Program
- CVE-2019-12798 · NVD
- FIRST EPSS
- GHSA-pccm-w2w7-v4p2 · GitHub Advisory Database · CC BY 4.0
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