CVE-2025-1558

Denial of Service Via Malicious GIF

Description

Mattermost Mobile Apps versions <=2.25.0 fail to properly validate GIF images prior to rendering which allows a malicious user to cause the Android application to crash via message containing a maliciously crafted GIF.

Remediation

Solution:

  • Update Mattermost Mobile Apps to versions 2.26.0, 2.25.1 or higher.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-1558?
CVE-2025-1558 has been scored as a medium severity vulnerability.
How to fix CVE-2025-1558?
To fix CVE-2025-1558: Update Mattermost Mobile Apps to versions 2.26.0, 2.25.1 or higher.
Is CVE-2025-1558 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-1558 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-2025-1558?
CVE-2025-1558 affects Mattermost Mattermost.
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