MEDIUM · 4.3

CVE-2023-2831

Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

Vulnerability Description

Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
MattermostMattermost>= 7.1.0, <= 7.1.9

Related Weaknesses (CWE)

References

FAQ

What is CVE-2023-2831?

CVE-2023-2831 is a vulnerability with a CVSS score of 4.3 (MEDIUM). Mattermost fails to unescape Markdown strings in a memory-efficient way, allowing an attacker to cause a Denial of Service by sending a message containing a large number of escaped characters.

How severe is CVE-2023-2831?

CVE-2023-2831 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-2831?

Check the references section above for vendor advisories and patch information. Affected products include: Mattermost Mattermost.