CVE-2025-1558— Denial of Service Via Malicious GIF
Quick assessment
Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mattermost Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.25.0版本存在安全漏洞，该漏洞源于未正确验证GIF图像，可能导致恶意用户通过包含特制GIF的消息使Android应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2025-1558
Vulnerability Information
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Vulnerability Title
Denial of Service Via Malicious GIF
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1287
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost Mobile Apps 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.25.0版本存在安全漏洞，该漏洞源于未正确验证GIF图像，可能导致恶意用户通过包含特制GIF的消息使Android应用程序崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 0 ~ 2.25.0 | - |
|
II. Public POCs for CVE-2025-1558
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same weakness: CWE-1287
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V. Comments for CVE-2025-1558
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