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I. Basic Information for CVE-2025-66622
Vulnerability Information

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Vulnerability Title
matrix-sdk-base is vulnerable to DoS via custom m.room.join_rules event values
Source: NVD (National Vulnerability Database)
Vulnerability Description
matrix-sdk-base is the base component to build a Matrix client library. Versions 0.14.1 and prior are unable to handle responses that include custom m.room.join_rules values due to a serialization bug. This can be exploited to cause a denial-of-service condition, if a user is invited to a room with non-standard join rules, the crate's sync process will stall, preventing further processing for all rooms. This is fixed in version 0.16.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对异常条件的处理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Matrix Rust SDK 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Matrix Rust SDK是The Matrix.org Foundation开源的一个基于Rust的Matrix客户端服务器开发工具包。 Matrix Rust SDK 0.14.1及之前版本存在安全漏洞,该漏洞源于序列化错误,可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
matrix-orgmatrix-rust-sdk < 0.16.0 -
II. Public POCs for CVE-2025-66622
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III. Intelligence Information for CVE-2025-66622
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IV. Related Vulnerabilities
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