CVE-2025-21617 – Guzzle OAuth Subscriber Low-Entropy Nonce Generation Vulnerability

CVE ID : CVE-2025-21617

Published : Jan. 6, 2025, 8:15 p.m. | 1 hour ago

Description : Guzzle OAuth Subscriber signs Guzzle requests using OAuth 1.0. Prior to 0.8.1, Nonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source. This can leave servers vulnerable to replay attacks when TLS is not used. This vulnerability is fixed in 0.8.1.

Severity: 0.0 | NA

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CVE-2025-21617 – Guzzle OAuth Subscriber Low-Entropy Nonce Generation Vulnerability