CVE-2026-26246 Memory Exhaustion via Malformed PSD File Upload

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 PSD image files which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted PSD file. Mattermost Advisory I...

CVE-2026-26246

CVE-2026-26246 affects Mattermost: versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, and 10.11.x

CVE-2019-9138

DaviewIndy 8.98.7 and earlier versions have a Integer overflow vulnerability, triggered when the user opens a malformed PhotoShop file that is mishandled by Daview.exe. Attackers could exploit this and arbitrary code execution...