PT-2026-123373
CVE-2026-93850
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Published
2026-10-26
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Updated
2026-10-26
Description by
CVSS 3.1
6.5
MediumMetricsAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to bind the volume of text extracted from an uploaded PDF which allows an authenticated user to exhaust server memory and cause a denial of service via a crafted PDF whose compressed content stream expands into a very large amount of text.. Mattermost Advisory ID: MMSA-2026-00769
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