cve.bz

CVE-2023-48268

7.5 highEPSS 0.7%

High (7.5) in mattermost mattermost. EPSS 0.7% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost/server/v8 8.1.4, 9.0.2, 9.1.1.

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).

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE
CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-j4c3-3h73-74m9Gogithub.com/mattermost/mattermost/server/v8>=9.1.0 <9.1.19.1.1
GHSA-j4c3-3h73-74m9Gogithub.com/mattermost/mattermost/server/v8>=9.0.0 <9.0.29.0.2
GHSA-j4c3-3h73-74m9Gogithub.com/mattermost/mattermost/server/v8<8.1.48.1.4
GHSA-j4c3-3h73-74m9Gogithub.com/mattermost/mattermost-server/v6<7.8.137.8.13

References

Check your stackJSON