Silicon Labs PSA Crypto and SE Manager EC-JPAKE APIs Integer Underflow Vulnerability

Vulnerability

An integer underflow vulnerability has been identified in Silicon Labs' implementation of PSA Crypto and SE Manager EC-JPAKE APIs, specifically during zero-knowledge proof (ZKP) parsing. This underflow can be triggered, leading to a hard fault and causing a temporary denial-of-service condition.

Impact

Exploitation of this vulnerability causes a hard fault, resulting in a temporary denial-of-service condition.

Added: Feb 20, 2026, 3:23 PM
Updated: Feb 20, 2026, 3:36 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
2.5
exploitability
5.2
remediation
0.0
relevance
3.2
threat
0.0
urgency
2.9
incentive
0.0

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