A buffer overflow was discovered in the GNU C Library's dynamic loader ld.so while processing the GLIBC_TUNABLES environment variable. This issue could allow a local attacker to use maliciously crafted GLIBC_TUNABLES environment variables when launching binaries with SUID permission to execute code with elevated privileges.

Unquoted search path in the software installer for the System Firmware Update Utility (SysFwUpdt) for some Intel(R) Server Boards and Intel(R) Server Systems Based on Intel(R) 621A Chipset before version 16.0.7 may allow an authenticated user to potentially enable escalation of privilege via local access.

There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability.