CVE Vulnerabilities

CVE-2025-8402

NULL Pointer Dereference

Published: Aug 21, 2025 | Modified: Aug 21, 2025

CVSS 3.x

N/A

Source:

NVD

CVSS 2.x

RedHat/V2

RedHat/V3

Ubuntu

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Additional information

NVD	https://nvd.nist.gov/vuln/detail/CVE-2025-8402
CWE	https://cwe.mitre.org/data/definitions/476.html

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.10.x <= 10.10.0, 10.9.x <= 10.9.3 fail to validate import data which allows a system admin to crash the server via the bulk import feature.

Weakness

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

Potential Mitigations

References

https://mattermost.com/security-updates

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