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Libgcrypt before 1.6.5 does not properly perform elliptic-point curve multiplication during decryption, which makes it easier for physically proximate attackers to extract ECDH keys by measuring electromagnetic emanations.

🗓️ 04 Sep 2025 00:25:12Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

Libgcrypt before 1.6.5 mishandles elliptic curve multiplication during decryption, enabling nearby attackers to extract keys via emanations.

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04 Sep 2025 00:25Current
7High risk
Vulners AI Score7
CVSS 21.9
CVSS 32
EPSS0.00067
2