Is guzzlehttp/oauth-subscriber affected by CVE-2025-21617?

Packagist guzzlehttp/oauth-subscriber is affected in <0.8.1.

Is CVE-2025-21617 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

medium

CVE-2025-21617

Q: Is CVE-2025-21617 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.4%.

Packagist · guzzlehttp/oauth-subscriber

Summary

Guzzle OAuth Subscriber has insufficient nonce entropy

Severity: medium
EPSS: 0.4% (p35)
Also known as: GHSA-237r-r8m4-4q88
Published: 2025-01-06

References

https://github.com/guzzle/oauth-subscriber/security/advisories/GHSA-237r-r8m4-4q88
https://nvd.nist.gov/vuln/detail/CVE-2025-21617
https://github.com/guzzle/oauth-subscriber/commit/92b619b03bd21396e51c62e6bce83467d2ce8f53

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.