CVE-2026-44368 - PyQuorum: Timing side‑channel in mul_mod

CVE-2026-44368 - PyQuorum: Timing side‑channel in mul_mod

https://cvefeed.io/rssfeed/latest.atom / Wed, 05/13/2026 - 23:23
CVE ID :CVE-2026-44368
Published : May 13, 2026, 8:18 p.m. | 49 minutes ago
Description :PyQuorum is a cryptographic library for secret sharing and key management. Prior to 0.2.1, the mul_mod function implements multiplication via a binary expansion loop whose execution time depends on the Hamming weight of the second operand (the exponent). An attacker who can measure the time of secret‑sharing operations (e.g., via a remote service) could progressively recover the values of shares, ultimately leading to secret reconstruction. This vulnerability is fixed in 0.2.1.
Severity: 0.0 | NA
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