Description
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
CVSS 6.5EPSS 0.34299999999999997%Risque 0.67
Voir la source- Publication
- 2026-03-26 17:16:42
- Versions concernées
- <= 11.4.0, <= 11.3.1, <= 11.2.3, <= 10.11.11
- Type
- Core software
- Vecteur
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H