CVE-2026-3114mediumCWE-409

Zip Bomb Denial of Service via Unrestricted Archive Decompression

13Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackcvss 6.5epss 0.3%

probabilidade de exploração

0.3%top 73% das CVEs

exploração observada

nãonenhuma fonte 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

Produtos afetados

Mattermost · Mattermost

Referências

https://mattermost.com/security-updates