A vulnerability classified as problematic was found in kelvinmo simplexrd up to 3.1.0. This vulnerability affects unknown code of the file simplexrd/simplexrd.class.php. The manipulation leads to xml external entity reference. Upgrading to version 3.1.1 is able to address this issue. The patch is identified as 4c9f2e028523ed705b555eca2c18c64e71f1a35d. It is recommended to upgrade the affected component. VDB-217630 is the identifier assigned to this vulnerability.

SimpleXMQ before 3.4.0, as used in SimpleX Chat before 4.2, does not apply a key derivation function to intended data, which can interfere with forward secrecy and can have other impacts if there is a compromise of a single private key. This occurs in the X3DH key exchange for the double ratchet protocol.

SimpleXML (latest version 2.7.1) is vulnerable to an XXE vulnerability resulting SSRF, information disclosure, DoS and so on.