Description
Mattermost versions 11.3.x <= 11.3.0, 11.2.x <= 11.2.2, 10.11.x <= 10.11.10 Mattermost fails to limit the size of responses from integration action endpoints, which allows an authenticated attacker to cause server memory exhaustion and denial of service via a malicious integration server that returns an arbitrarily large response when a user clicks an interactive message button.. Mattermost Advisory ID: MMSA-2026-00571
Details
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| github.com/mattermost/mattermost-server | — | — |
| github.com/mattermost/mattermost-server/v5 | — | — |
| github.com/mattermost/mattermost-server/v6 | — | — |
| github.com/mattermost/mattermost/server/v8 | — | — |
| mattermost-server | 11.3.0 | 11.3.1 |
References
Similar Threats
- Unknown CVE-2016-11063
- High CVE-2016-11066
- Unknown CVE-2016-11067
- Unknown CVE-2016-11068
- High CVE-2016-11069
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