A carefully crafted PDF file can trigger an infinite loop while loading the file. This issue affects Apache PDFBox Apache PDFBox version 2.0.22 and prior 2.0.x versions (CVE-2021-27807). A carefully crafted PDF file can trigger an OutOfMemory-Exception while
An attacker that is able to modify Velocity templates may execute arbitrary Java code or run arbitrary system commands with the same privileges as the account running the Servlet container. This applies to applications that allow untrusted users to upload/modify velocity templates running Apache Velocity Engine versions up to 2.2 (CVE-2020-13936).
In Apache SpamAssassin before 3.4.5, malicious rule configuration (.cf) files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA version 3.4.5, users should only use update channels or 3rd party .cf files from trusted places. (CVE-2020-1946)
The dump_desc() function that we used to dump unparseable information to disk, was called incorrectly in several places, in a way that could lead to excessive CPU usage (CVE-2021-28089). A bug in appending detached signatures to a pending consensus document could be