Description (CNA)
Mattermost versions 11.4.x <= 11.4.0, 11.3.x <= 11.3.1, 11.2.x <= 11.2.3, 10.11.x <= 10.11.11 fail to validate decompressed archive entry sizes during file extraction which allows authenticated users with file upload permissions to cause a denial of service via crafted zip archives containing highly compressed entries (zip bombs) that exhaust server memory.. Mattermost Advisory ID: MMSA-2026-00598
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Mattermost / Mattermost | affected 11.4.0 through 11.4.0; affected 11.3.0 through 11.3.1; affected 11.2.0 through 11.2.3; affected 10.11.0 through 10.11.11; unaffected 11.5.0; unaffected 11.4.1; unaffected 11.3.2; unaffected 11.2.4; unaffected 10.11.12 |
CWE
CWE-409
References
ADP enrichment
No English description supplied.
No references supplied.