漏洞信息
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Vulnerability Title
Uploading a crafted image causes excessive memory allocation in the Mattermost Server
Vulnerability Description
Mattermost versions 11.9.x <= 11.9.0, 11.8.x <= 11.8.4, 11.7.x <= 11.7.7, 10.11.x <= 10.11.22 fail to limit the amount of memory allocated when decoding uploaded image files which allows an authenticated user to cause excessive server memory consumption and potential denial of service via uploading a specially crafted image as a profile picture, channel file attachment, team icon, or custom brand image. Mattermost Advisory ID: MMSA-2026-00719
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vulnerability Type
对高度压缩数据的处理不恰当(数据放大攻击)
Vulnerability Title
Mattermost 资源管理错误漏洞
Vulnerability Description
Mattermost是美国Mattermost公司开源的一个开源协作平台。 Mattermost 11.9.0及之前版本、11.8.4及之前版本、11.7.7及之前版本和10.11.22及之前版本存在资源管理错误漏洞,该漏洞源于解码上传图像文件时未限制内存分配量,可能导致经过身份验证的用户通过上传特制图像作为个人头像、频道文件附件、团队图标或自定义品牌图像,造成服务器内存过度消耗和潜在拒绝服务。
CVSS Information
N/A
Vulnerability Type
N/A