CVE-2025-0476

Mobile crash via file with specially crafted filename

Description

Mattermost Mobile Apps versions <=2.22.0 fail to properly handle specially crafted attachment names, which allows an attacker to crash the mobile app for any user who opened a channel containing the specially crafted attachment

Remediation

Solution:

  • Update Mattermost Mobile Apps to versions 2.23.0 or higher.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.12%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2025-0476?
CVE-2025-0476 has been scored as a medium severity vulnerability.
How to fix CVE-2025-0476?
To fix CVE-2025-0476: Update Mattermost Mobile Apps to versions 2.23.0 or higher.
Is CVE-2025-0476 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-0476 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-0476?
CVE-2025-0476 affects Mattermost Mattermost.
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