CVE-2024-47176 | cups-browsed <= 2.0.1 binds on UDP INADDR_ANY:631 trusting any packet from any source to trigger a Get-Printer-Attributes IPP request to an attacker controlled URL.
CVE-2024-47076 | libcupsfilters <= 2.1b1 cfGetPrinterAttributes5 does not validate or sanitize the IPP attributes returned from an IPP server, providing attacker controlled data to the rest of the CUPS system.
CVE-2024-47175 | libppd <= 2.1b1 ppdCreatePPDFromIPP2 does not validate or sanitize the IPP attributes when writing them to a temporary PPD file, allowing the injection of attacker controlled data in the resulting PPD.
CVE-2024-47177 | cups-filters <= 2.0.1 foomatic-rip allows arbitrary command execution via the FoomaticRIPCommandLine PPD parameter.

https://www.evilsocket.net/2024/09/26/Attacking-UNIX-systems-via-CUPS-Part-I/

Still reading through these, but they've been hyped in the press all week. It would appear that they only matter if CUPS is network-exposed.

Reproducible: Always