PT-2026-5947 · Lexmark · Lexmark Devices

Published 2026-02-03 · Updated 2026-02-12 · CVE-2025-65079

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Lexmark devices (affected versions not specified)

Description A heap-based buffer overflow exists in the Postscript interpreter. An attacker can exploit this to execute arbitrary code with unprivileged user access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2025-65079

ZDI-26-066

Affected Products

Lexmark Devices

References · 5

• https://zerodayinitiative.com/advisories/ZDI-26-066 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-65079 · Security Note
• https://lexmark.com/en_us/solutions/security/lexmark-security-advisories.html · Note
• https://twitter.com/TheZDIBugs/status/2022053464604381614 · Twitter Post
• https://twitter.com/CVEnew/status/2018790669435949507 · Twitter Post