CVE-2021-44738

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in...

9.8 Critical

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.31%Up 2.9 points since Jan 21, 2022

What each source reports

NVD Score used 9.8

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Record: CVE-2021-44738
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-120
Updated: 2026-11-02

CVE List No score

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Record: CVE-2021-44738
Updated: 2026-11-02

EUVDEUVD-2021-31553 No score

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Record: EUVD-2021-31553
Updated: 2026-11-03

GitHub AdvisoriesGHSA-vcvj-q392-hvpc No score

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in...

Buffer overflow vulnerability has been identified in Lexmark devices through 2021-12-07 in postscript interpreter.

Record: GHSA-vcvj-q392-hvpc
Weakness: CWE-120
Updated: 2026-11-02

Affected products

Show 222 moreShow less

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44738 is a critical vulnerability (CVSS 9.8) in Lexmark 6500e Firmware, published January 20, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.31%, the 88th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

History

In short

References