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Lexmark Printers Buffer Overflow (CVE-2023-26064)

critical Tenable OT Security Plugin ID 503891

Synopsis

The remote OT asset is affected by a vulnerability.

Description

An out of bounds write vulnerability has been identified in PostScript interpreter in various Lexmark devices. The vulnerability can be leveraged by an attacker to execute arbitrary code.

Solution

Refer to the vendor advisory.

See Also

http://www.nessus.org/u?2f3945e8

Plugin Details

Severity: Critical

ID: 503891

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 11/7/2025

Updated: 11/7/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v3

Risk Factor: Critical

Base Score: 9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Vulnerability Information

CPE: cpe:/o:lexmark:cs439_firmware, cpe:/o:lexmark:mb2338_firmware, cpe:/o:lexmark:cx431_firmware, cpe:/o:lexmark:mx432_firmware, cpe:/o:lexmark:xm3142_firmware, cpe:/o:lexmark:mb2546_firmware, cpe:/o:lexmark:mb2770_firmware, cpe:/o:lexmark:mx522_firmware, cpe:/o:lexmark:c2326_firmware, cpe:/o:lexmark:ms439_firmware, cpe:/o:lexmark:b2546_firmware, cpe:/o:lexmark:c2240_firmware, cpe:/o:lexmark:mx521_firmware, cpe:/o:lexmark:c4352_firmware, cpe:/o:lexmark:ms821_firmware, cpe:/o:lexmark:xm5365_firmware, cpe:/o:lexmark:b2338_firmware, cpe:/o:lexmark:ms421_firmware, cpe:/o:lexmark:xm1246_firmware, cpe:/o:lexmark:mx931_firmware, cpe:/o:lexmark:cx331_firmware, cpe:/o:lexmark:mb2236_firmware, cpe:/o:lexmark:ms431_firmware, cpe:/o:lexmark:mx721_firmware, cpe:/o:lexmark:b2236_firmware, cpe:/o:lexmark:b3442_firmware, cpe:/o:lexmark:ms725_firmware, cpe:/o:lexmark:xc9455_firmware, cpe:/o:lexmark:xc9465_firmware, cpe:/o:lexmark:xc9325_firmware, cpe:/o:lexmark:mb3442_firmware, cpe:/o:lexmark:cx930_firmware, cpe:/o:lexmark:xm5370_firmware, cpe:/o:lexmark:m5255_firmware, cpe:/o:lexmark:cs431_firmware, cpe:/o:lexmark:cx730_firmware, cpe:/o:lexmark:ms331_firmware, cpe:/o:lexmark:cx942_firmware, cpe:/o:lexmark:ms826_firmware, cpe:/o:lexmark:cs730_firmware, cpe:/o:lexmark:mx421_firmware, cpe:/o:lexmark:cs622_firmware, cpe:/o:lexmark:mc3326_firmware, cpe:/o:lexmark:cs421_firmware, cpe:/o:lexmark:c4342_firmware, cpe:/o:lexmark:xc9445_firmware, cpe:/o:lexmark:b3340_firmware, cpe:/o:lexmark:ms825_firmware, cpe:/o:lexmark:ms321_firmware, cpe:/o:lexmark:cs735_firmware, cpe:/o:lexmark:mx331_firmware, cpe:/o:lexmark:ms621_firmware, cpe:/o:lexmark:ms823_firmware, cpe:/o:lexmark:xc2326_firmware, cpe:/o:lexmark:xc9335_firmware, cpe:/o:lexmark:cs521_firmware, cpe:/o:lexmark:mb2650_firmware, cpe:/o:lexmark:c3326_firmware, cpe:/o:lexmark:c3426_firmware, cpe:/o:lexmark:mx622_firmware, cpe:/o:lexmark:m5270_firmware, cpe:/o:lexmark:xc4352_firmware, cpe:/o:lexmark:mc3426_firmware, cpe:/o:lexmark:b2865_firmware, cpe:/o:lexmark:cx931_firmware, cpe:/o:lexmark:cx943_firmware, cpe:/o:lexmark:mx321_firmware, cpe:/o:lexmark:xm1242_firmware, cpe:/o:lexmark:ms622_firmware, cpe:/o:lexmark:cx944_firmware, cpe:/o:lexmark:cs943_firmware, cpe:/o:lexmark:cs331_firmware, cpe:/o:lexmark:m1242_firmware, cpe:/o:lexmark:mx826_firmware, cpe:/o:lexmark:cx735_firmware, cpe:/o:lexmark:ms521_firmware, cpe:/o:lexmark:c3224_firmware, cpe:/o:lexmark:mx722_firmware, cpe:/o:lexmark:xm3250_firmware, cpe:/o:lexmark:mx725_firmware, cpe:/o:lexmark:m3250_firmware, cpe:/o:lexmark:mb2442_firmware, cpe:/o:lexmark:xm1342_firmware, cpe:/o:lexmark:mx431_firmware, cpe:/o:lexmark:m1246_firmware, cpe:/o:lexmark:b2650_firmware, cpe:/o:lexmark:mx822_firmware, cpe:/o:lexmark:mc3224_firmware, cpe:/o:lexmark:b2442_firmware, cpe:/o:lexmark:xm7370_firmware, cpe:/o:lexmark:xm7355_firmware, cpe:/o:lexmark:ms822_firmware, cpe:/o:lexmark:m1342_firmware, cpe:/o:lexmark:xc4342_firmware

Required KB Items: Tenable.ot/Lexmark

Patch Publication Date: 2/28/2023

Vulnerability Publication Date: 2/28/2023

Reference Information

CVE: CVE-2023-26064

CWE: 847