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TI-2021-20369 Aliases CVE-2021-45005GHSA-4ch9-x597-xpg3

Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by…

Priority MEDIUM 45CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.

Why it matters now

EPSS 0.01416 72nd 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:1.1.3:*:*:*:*:*:*:*1.1.3VulnerableArtifex
  • cpe:2.3:a:artifex:mujs:1.1.3:*:*:*:*:*:*:* Versions 1.1.3 Vulnerable ·Artifex

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45005
  2. 2026-10-03 Alias added: GHSA-4ch9-x597-xpg3

References

Patch 1

Other 1

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences