olm dependency deprecation: CVE-2022-39255 and CVE-2024-45193
### Problem Multiple vulnerabilities were disclosed in 2024 affecting libolm (Olm): AES timing / side‑channel, Ed25519 signature malleability, and timing leaks in base64 decoding; several CVEs were assigned. Patches and mitigations were published; maintainers recommend upgrading to fixed versions. In addition, a 2022 “Olm/Megolm protocol confusion” advisory affecting some SDKs was critical and required client-side fixes. Use patched versions of libolm and up-to-date Matrix SDKs; avoid unpatched clients/servers. Olm is a dependency of `matrix-commander` (Python version, not Rust version). WARNING: Due to cryptographic [olm dependency depre
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