CVE-2023-26066

Certain Lexmark devices through 2023-02-19 have Improper Validation of an Array Index

Critical · published April 10, 2023

CVSS v3.1
9.8
EPSS
1%
Percentile
52.9
In the wild
Unconfirmed
What it is

🔥 A simple mistake in array validation could put your Lexmark devices at risk! Think of this as a security guard at a party who only checks the first few guests but lets everyone else in without a second thought. This faulty validation lets attackers take advantage of unexpected data, potentially leading to chaos inside the system. If exploited, an attacker could manipulate memory, leading to unauthorized access or even complete control over the device. This means they could potentially execute malicious code, steal sensitive information, or disrupt operations. The consequences could be absolutely devastating for any organization relying on these devices!

Put simply

Think of this as a security guard at a party who only checks the first few guests but lets everyone else in without a second thought. This faulty validation lets attackers take advantage of unexpected data, potentially leading to chaos inside the system. The vulnerability in Lexmark devices stems from improper validation of an array index, allowing attackers to bypass security measures by sending crafted inputs that the device does not handle correctly.

What to do

If exploited, an attacker could manipulate memory, leading to unauthorized access or even complete control over the device. This means they could potentially execute malicious code, steal sensitive information, or disrupt operations. The consequences could be absolutely devastating for any organization relying on these devices! Patch your Lexmark devices immediately to the latest firmware version released after February 19, 2023. Regularly check Lexmark's security advisories for updates and ensure robust input validation mechanisms are in place. Don't leave your devices vulnerable! You've got this! With a quick fix, your Lexmark devices will be back to being secure and reliable in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00708 · 52.9th percentile
Published
2023-04-10T00:00Z
EPSS history
Timeline
  • 10 APR 00:00Z
    Certain Lexmark devices through 2023-02-19 have Improper Validation of an Array Index
    cvelistv5