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The verify function in the RSA package for Python (Python-RSA) before 3.3 allows attackers to spoof signatures with a small public exponent via crafted signature padding, aka a BERserk attack.

🗓️ 03 Sep 2025 22:43:53Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Python-RSA verify before 3.3 enables signature spoofing with a small public exponent via padding.

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03 Sep 2025 22:43Current
9.5High risk
Vulners AI Score9.5
CVSS 25
CVSS 35.3
EPSS0.03132
2