CVE-2023-50734: Lexmark 6500e

Critical severity, CVSS 9.0. EPSS: 0.8% chance of exploitation in the next 30 days.

A buffer overflow vulnerability has been identified in PostScript interpreter in various Lexmark devices. The vulnerability can be leveraged by an attacker to execute arbitrary code.

Affected products

  • Lexmark 6500e
  • Lexmark c746
  • Lexmark c748
  • Lexmark c792
  • Lexmark c925
  • Lexmark c950
  • Lexmark CS310
  • Lexmark CS410
  • Lexmark CS510
  • Lexmark Cslbl Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cslbn Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Csngv Firmware: up to and including 222.030; from 230.001, up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Csnzj Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstat Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstgv Firmware: up to and including 222.030; from 230.001, up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstmh Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstpc Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstpp Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cstzj Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark CX310
  • Lexmark CX410
  • Lexmark CX510
  • Lexmark Cxlbl Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cxlbn Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • Lexmark Cxnzj Firmware: up to and including 230.041; from 230.075, up to and including 230.078; from 230.200, up to and including 230.203
  • and 43 more

Published 2024-02-28. Last modified 2026-06-17.