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TI-2019-09581 Aliases CVE-2019-12798GHSA-pccm-w2w7-v4p2

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:artifex:mujs:1.0.5:*:*:*:*:*:*:*1.0.5VulnerableArtifex
  • cpe:2.3:a:artifex:mujs:1.0.5:*:*:*:*:*:*:* Versions 1.0.5 Vulnerable ·Artifex

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12798
  2. 2026-10-03 Alias added: GHSA-pccm-w2w7-v4p2

References

  • 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
See all 29 →

Sources