What is the severity of CVE-2024-2446?

CVE-2024-2446 has a severity rating that indicates it is a denial of service vulnerability that can impact user experience by crashing client applications.

How do I fix CVE-2024-2446?

To fix CVE-2024-2446, upgrade Mattermost Server to versions 8.1.10, 9.2.6, 9.3.2, or 9.4.3 or later.

Who is affected by CVE-2024-2446?

CVE-2024-2446 affects Mattermost Server versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3.

What type of attack does CVE-2024-2446 enable?

CVE-2024-2446 enables an authenticated attacker to send crafted messages that can crash the client applications of other users.

Is there a workaround for CVE-2024-2446?

There are no specific workarounds for CVE-2024-2446; the best mitigation is to apply the recommended software updates.

Vulnerability/
CVE-2024-2446

medium

4.3

CWE

400 770

15/3/2024

13/12/2024

CVE-2024-2446

First published: Fri Mar 15 2024(Updated: )

Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to limit the number of @-mentions processed per message, allowing an authenticated attacker to crash the client applications of other users via large, crafted messages.

Credit: responsibledisclosure@mattermost.com

Affected Software	Affected Version	How to fix
Mattermost	>=8.1.0<8.1.10
Mattermost	>=9.2.0<9.2.6
Mattermost	>=9.3.0<9.3.2
Mattermost	>=9.4.0<9.4.3

Remedy

Update Mattermost Server to versions 9.5, 9.4.3, 9.3.2, 9.2.6, 8.1.10 or higher.

Never miss a vulnerability like this again

Reference Links

https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2024-2446?
CVE-2024-2446 has a severity rating that indicates it is a denial of service vulnerability that can impact user experience by crashing client applications.
How do I fix CVE-2024-2446?
To fix CVE-2024-2446, upgrade Mattermost Server to versions 8.1.10, 9.2.6, 9.3.2, or 9.4.3 or later.
Who is affected by CVE-2024-2446?
CVE-2024-2446 affects Mattermost Server versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3.
What type of attack does CVE-2024-2446 enable?
CVE-2024-2446 enables an authenticated attacker to send crafted messages that can crash the client applications of other users.
Is there a workaround for CVE-2024-2446?
There are no specific workarounds for CVE-2024-2446; the best mitigation is to apply the recommended software updates.

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