CVE-2023-5969

MEDIUM

Mattermost < 7.8.11, 7.8.12, 8.0.4 - Denial of Service via Redirect Location Caching

Title source: llm

Description

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 5.3

EPSS 0.0011

EPSS Percentile 29.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (4)

mattermost/mattermost 9.0.0

mattermost/mattermost < 7.8.11

mattermost/mattermost 8.0.0 - 8.0.4Go

mattermost/mattermost-server 0 - 7.8.12Go

Published Nov 06, 2023

Tracked Since Feb 18, 2026