Certain HP LaserJet Printers – Potential Denial of Service

Certain HP LaserJet printers may potentially experience a denial of service when a user sends a raw JPEG file to the printer. The printer displays a “JPEG Unsupported” message which may not clear, potentially blocking queued print jobs.

Certain HP LaserJet Pro Printers – Potential Information Disclosure

Certain HP LaserJet Pro printers may be vulnerable to information disclosure when a non-authenticated user queries a device’s local address book.

Certain HP LaserJet Pro Printers – Potential Information Disclosure

Certain HP LaserJet Pro printers may be vulnerable to information disclosure leading to credential exposure by altering the scan/send destination address and/or modifying the LDAP Server.

Certain HP LaserJet Pro Printers – Potential Information Disclosure

Certain HP LaserJet Pro printers may be vulnerable to information disclosure leading to credential exposure by altering the scan/send destination address and/or modifying the LDAP Server.

Certain HP Print products and Digital Sending products may be vulnerable to potential remote code execution and buffer overflow with use of Link-Local Multicast Name Resolution or LLMNR.

The default configuration of the PJL Access value in the File System External Access settings on HP LaserJet MFP printers, Color LaserJet MFP printers, and LaserJet 4100, 4200, 4300, 5100, 8150, and 9000 printers enables PJL commands that use the device's filesystem, which allows remote attackers to read arbitrary files via a command inside a print job, as demonstrated by a directory traversal attack.

A potential buffer overflow in the software drivers for certain HP LaserJet products and Samsung product printers could lead to an escalation of privilege.