CVE-2026-55453

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, the backend/ipp.c quotestring function preserves carriage-return and line-feed characters in a remote printer-controlled marker-message before reportattr writes the value to the...

CVE-2026-55453

The OpenPrinting CUPS printing system is vulnerable to a status-line injection in the backend/ipp.c quote_string() function. Prior to version 2.4.20 , the function fails to properly sanitize carriage-return and line-feed characters in remote printer-controlled marker messages. An attacker can inj...