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Moderate severityNVD Advisory· Published Nov 26, 2025· Updated Nov 28, 2025

node-forge ASN.1 OID Integer Truncation

CVE-2025-66030

Description

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. An Integer Overflow vulnerability in node-forge versions 1.3.1 and below enables remote, unauthenticated attackers to craft ASN.1 structures containing OIDs with oversized arcs. These arcs may be decoded as smaller, trusted OIDs due to 32-bit bitwise truncation, enabling the bypass of downstream OID-based security decisions. This issue has been patched in version 1.3.2.

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Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
node-forgenpm
< 1.3.21.3.2

Affected products

166

Patches

Vulnerability mechanics

References

4

News mentions

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