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Iperf Assertion Failure in Base64 Decode Handling Authentication

Vulnerability

A vulnerability exists in Iperf versions prior to 3.19.1, specifically within the authentication module. The issue arises from an assertion failure in the Base64 decoding process, which leads to a crash when a malformed authentication attempt is made.

Impact

Exploitation of this vulnerability causes the application to terminate unexpectedly due to the assertion failure, creating a denial-of-service condition.

Remediation

Users can upgrade to Iperf version 3.19.1 or later to address this vulnerability.

Added: Aug 3, 2025, 2:19 AM
Updated: Aug 3, 2025, 2:19 AM

Vulnerability Rating

Custom Algorithm
spread
5.7
impact
2.5
exploitability
7.7
remediation
7.7
relevance
0.3
threat
3.2
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.