GHSA-XV2P-WCHJ-QJHP Mattermost fails to bound memory allocation when processing DOC files

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to bound memory allocation when processing DOC files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted DOC file.. Mattermost Advisory ID:...

PT-2026-25712

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.0 through 10.11.10 Mattermost versions 11.2.0 through 11.2.2 Mattermost versions 11.3.0 Description Mattermost does not properly limit memory allocation when processing DOC files. This allows an authenticated attacker...