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CVE-2025-0476

Mobile crash via file with specially crafted filename

MEDIUM
4.3
CVSS Score
Published: January 15, 2025 at 11:44 PM UTC
Updated: June 17, 2026 at 08:26 AM UTC
2 products affected across 1 vendorMattermost MobileMattermost

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mattermost Mobile· Mattermost
95%
v < 2.23.0
Mattermost· Mattermost
60%
v ≤ 2.22.0
Vendor states this is fixed in 2.23.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://mattermost.com/security-updates

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMMattermost
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-1287

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