Timing Side-channel Attacks

postquantumfeldmanvss is vulnerable to Timing side-channel attacks. The vulnerability is due to Python's non-constant-time execution model, which causes execution time variations in the findsecurepivot and securematrixsolve functions, allowing attackers to infer secret information through precise...

CVE-2025-29780 Post-Quantum Secure Feldman's Verifiable Secret Sharing has Timing Side-Channels in Matrix Operations

Post-Quantum Secure Feldman's Verifiable Secret Sharing provides a Python implementation of Feldman's Verifiable Secret Sharing VSS scheme. In versions 0.8.0b2 and prior, the feldmanvss library contains timing side-channel vulnerabilities in its matrix operations, specifically within the...

PT-2025-11300

Name of the Vulnerable Software and Affected Versions: Post-Quantum Secure Feldman's Verifiable Secret Sharing versions 0.7.6b0 and prior Description: The issue concerns timing side-channel vulnerabilities in the feldman vss library, specifically within the find secure pivot function and...