TI-2018-06018 Aliases CVE-2018-8319 GHSA-qg3g-2mgh-33j8

A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library…

MEDIUM 53CWE-682Published 2018-07-11 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.

Summary

A Security Feature Bypass vulnerability exists in MSR JavaScript Cryptography Library that is caused by incorrect arithmetic computations, aka "MSR JavaScript Cryptography Library Security Feature Bypass Vulnerability." This affects Microsoft Research JavaScript Cryptography Library.

Why it matters now

EPSS 0.07716 94th percentileScored 2026-11-07

Fix Fixed msrcrypto (npm): 1.4.1

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
Microsoft	Microsoft Research JavaScript Cryptography Library	Microsoft Research JavaScript Cryptography Library	—	No fix listed	CNA
—	msrcrypto (npm)	before 1.4.1	1.4.1	Patch available	GHSA-qg3g-2mgh-33j8

Microsoft Research JavaScript Cryptography Library VendorMicrosoft Affected Microsoft Research JavaScript Cryptography Library Fixed in — No fix listed CNA
msrcrypto (npm) Vendor— Affected before 1.4.1 Fixed in 1.4.1 Patch available GHSA-qg3g-2mgh-33j8

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:research_javascript_cryptography_library:1.4:::::::*	1.4	Vulnerable	Microsoft

cpe:2.3:a:microsoft:research_javascript_cryptography_library:1.4:*:*:*:*:*:*:* Versions 1.4 Vulnerable ·Microsoft

Remediation

Fix · GHSA-qg3g-2mgh-33j8 msrcrypto (npm) Fixed in 1.4.1 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-8319
2026-10-03 Alias added: GHSA-qg3g-2mgh-33j8

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8319

Advisory 2

Other 1

https://www.npmjs.com/advisories/1112

TI-2020-00995 Information disclosure in Microsoft Research JavaScript Cryptography Library V1.4 CVSS 3.1CRITICAL 9.8

Sources

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