CVE-2023-48268

MEDIUM

Mattermost < 7.8.12 and 9.1.0-9.1.1 - Denial of Service via Zip Bomb in Board Import

Title source: llm

Description

Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 4.3

EPSS 0.0009

EPSS Percentile 24.8%

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-400

Status published

Products (4)

mattermost/mattermost 9.1.0

mattermost/mattermost < 7.8.12

mattermost/mattermost 9.1.0 - 9.1.1Go

mattermost/mattermost-server 0 - 7.8.13Go

Published Nov 27, 2023

Tracked Since Feb 18, 2026