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Cups Overflow: When your printer spills more than Ink

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Cups Overflow: When your printer spills more than Ink

Elastic Security Labs published detection and mitigation guidance for CUPS printing system vulnerabilities that enable unauthenticated remote code execution (RCE) through Internet Printing Protocol (IPP) and multicast DNS (mDNS) on UNIX-based systems including Linux, macOS, BSD, ChromeOS, and Solaris. The analysis addresses exploitation vectors and defensive strategies for this widely-deployed printing infrastructure component.

Why it matters: Organizations running CUPS on Linux, macOS, BSD, ChromeOS, and Solaris systems face unauthenticated RCE risk and should implement the detection and mitigation strategies provided to protect printing infrastructure from network-based compromise.

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