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Printer-Vulnerability

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CVE-2026-64611: libcupsfilters Denial of Service via Malformed Printer Advertisement

A high-severity denial of service vulnerability, CVE-2026-64611, exists in the `cfIEEE1284NormalizeMakeModel()` function of libcupsfilters, allowing a network-adjacent attacker to cause sustained CPU consumption and system unresponsiveness by broadcasting a specially crafted printer advertisement with an empty model field in the IEEE-1284 device ID.

libcupsfilters +5 vulnerability denial-of-service linux printer-vulnerability
1t 1c