crates.io/matrix-sdk-base CVE-2025-66622: high 7.5, EPSS 0.41%

matrix-sdk-base denial of service via custom m.room.join_rules event values

Action: Upgrade matrix-sdk-base to 0.16.0 or later.

cargo update -p matrix-sdk-base --precise 0.16.0

Affected

Fixed versions

Sources

• osv: GHSA-jj6p-3m75-g2p3
• nvd: CVE-2025-66622
• https://github.com/matrix-org/matrix-rust-sdk/security/advisories/GHSA-jj6p-3m75-g2p3
• https://github.com/matrix-org/matrix-rust-sdk/pull/5924
• https://github.com/matrix-org/matrix-rust-sdk/commit/4ea0418abefab2aa93f8851a4d39c723e703e6b0
• https://github.com/matrix-org/matrix-rust-sdk
• https://rustsec.org/advisories/RUSTSEC-2025-0135.html

CVE-2025-66622 · published 2025-12-08T22:07:47Z · modified 2025-12-09T19:36:28.271982Z · JSON