DigitalBazaar forge up to 1.4.2 TLS Client forge.tls tls.createConnectionState input validation

Summaryinfo

A vulnerability labeled as problematic has been found in DigitalBazaar forge up to 1.4.2. This vulnerability affects the function tls.createConnectionState of the file forge.tls of the component TLS Client. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2026-125332. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in DigitalBazaar forge up to 1.4.2. This vulnerability affects the function tls.createConnectionState of the file forge.tls of the component TLS Client. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

Forge (also called node-forge) is a native implementation of Transport Layer Security in JavaScript. Prior to 1.4.3, a forge.tls client accepts a ServerHello compression_method that it did not offer. When the client later handles ServerHelloDone, tls.createConnectionState() rejects the unsupported compression algorithm by throwing an Error that propagates from connection.process(). A malicious server or an on-path attacker can alter the unauthenticated ServerHello compression byte before the server Finished message and terminate a Node.js process when the application does not catch the exception. The affected client paths include direct forge.tls use, forge.tls.wrapSocket, and forge.http; forge.tls servers are not affected, and the issue has no confidentiality or integrity impact. This issue is fixed in version 1.4.3.

The advisory is available at github.com. This vulnerability was named CVE-2026-125332 since 11/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit.

Upgrading to version 1.4.3 eliminates this vulnerability.

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Productinfo

Vendor

• DigitalBazaar

Name

• forge

Version

• 1.4.0
• 1.4.1
• 1.4.2

Website

• Product: https://github.com/digitalbazaar/forge/

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