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CVE-2025-21617: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

🗓️ 06 Jan 2025 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 8 Views

Weak PRNG in Guzzle OAuth prior to 0.8.1 allows replay attacks via low-entropy nonces.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-21617
6 Jan 202519:28
–circl
cnnvd
CNNVD
Guzzle security feature vulnerability
6 Jan 202500:00
–cnnvd
cve
CVE
CVE-2025-21617
6 Jan 202519:23
–cve
cvelist
Cvelist
CVE-2025-21617 Guzzle OAuth Subscriber has insufficient nonce entropy
6 Jan 202519:23
–cvelist
euvd
EUVD
EUVD-2025-0003
3 Oct 202520:07
–euvd
friendsofphp
Friends Of PHP
Insufficient nonce entropy
6 Jan 202519:15
–friendsofphp
github
Github Security Blog
Guzzle OAuth Subscriber has insufficient nonce entropy
6 Jan 202519:23
–github
mend
Mend
CVE-2025-21617
6 Jan 202519:23
–mend
nvd
NVD
CVE-2025-21617
6 Jan 202520:15
–nvd
osv_ghsa
osv_ghsa
GHSA-237R-R8M4-4Q88 Guzzle OAuth Subscriber has insufficient nonce entropy
6 Jan 202519:23
–osv_ghsa
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15 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.3
EPSS0.00479
SSVC
8