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Huawei HarmonyOS Null Pointer Dereference Vulnerability in PDF Preview Module

Vulnerability

A null pointer dereference vulnerability has been identified in the PDF preview module of Huawei HarmonyOS. This vulnerability exists in HarmonyOS versions 5.1.0 and 5.0.1. Successful exploitation of this issue may lead to a denial of service by causing a crash or instability in the PDF preview function.

Impact

Exploitation of this vulnerability can cause a crash or instability in the PDF preview function, disrupting the user experience.

Remediation

Users can apply the latest security update available through the Huawei Update system to address this vulnerability.

Added: Jul 7, 2025, 3:25 AM
Updated: Jul 7, 2025, 3:25 AM

Vulnerability Rating

Custom Algorithm
spread
7.8
impact
0.6
exploitability
4.4
remediation
7.7
relevance
0.2
threat
0.0
urgency
2.9
incentive
0.8

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