CVE-2026-3114mediumCWE-409

Zip Bomb Denial of Service via Unrestricted Archive Decompression

13Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 6.5epss 0.3%

probabilidad de explotación

0.3%top 73% de las CVE

explotación observada

noninguna fuente lo reporta

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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Productos afectados

Mattermost · Mattermost

Referencias

https://mattermost.com/security-updates