CVE-2019-6326 Memory corruption in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series

High 7.2 Published 17 Jun 2019 Updated 4 Aug 2024

A buffer overflow in the embedded web server of HP LaserJet printers allows attackers to execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-6326?

CVE-2019-6326 is a high-severity memory corruption vulnerability in HP Color LaserJet Pro M280-M281 Multifunction Printer series; HP LaserJet Pro MFP M28-M31 Printer series, published on 17 Jun 2019. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

HP Color LaserJet Pro M280-M281 Multifunction Printer series (before v. 20190419), HP LaserJet Pro MFP M28-M31 Printer series (before v. 20190426) may have embedded web server attributes which may be potentially vulnerable to Buffer Overflow.

Weakness: CWE-119

Which versions are affected by CVE-2019-6326?

It affects 10 products.

Products include Hp T6b80a Firmware, Hp T6b81a Firmware, Hp T6b82a Firmware, Hp T6b83a Firmware, Hp W2g54a Firmware, Hp W2g55a Firmware and 4 more.

How do I fix CVE-2019-6326?

No fix has been published for CVE-2019-6326 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-6326 being exploited?

There is no known exploitation of CVE-2019-6326 in the wild and no public exploit code.

Sources

Also known as GHSA-3qcx-4983-xfxp.