CVE-2022-1337

MEDIUM

Mattermost Server < 6.4.2 - Authenticated Denial of Service via Image Proxy Memory Allocation

Title source: llm
STIX 2.1

Description

The image proxy component in Mattermost version 6.4.1 and earlier allocates memory for multiple copies of a proxied image, which allows an authenticated attacker to crash the server via links to very large image files.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://mattermost.com/security-updates/

Scores

CVSS v3 4.3
EPSS 0.0043
EPSS Percentile 62.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770 CWE-400
Status published
Products (2)
mattermost/mattermost-server 0 - 6.4.2Go
mattermost/mattermost_server 5.37.0 - 5.37.9
Published Apr 13, 2022
Tracked Since Feb 18, 2026