CVE-2025-65079

Heap-based buffer overflow vulnerability in Postscript interpreter

State: Published
Severity: 6.9 Medium
Published: Feb 3, 2026
Updated: Feb 26, 2026
Reserved: Nov 17, 2025

Description

A heap-based buffer overflow vulnerability has been identified in the Postscript interpreter in various Lexmark devices. This vulnerability can be leveraged by an attacker to execute arbitrary code as an unprivileged user.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N	Lexmark

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
MXTCT, MSNGM, MSTGM, MXNGM, MXTGM, CSNGV, CSTGV, CXTGV, MSNGW, MSTGW, MXTGW, CSTLS, CXTLS, MXTLS, CSTMM, CXTMM, CSTPC, CXTPC, MXTPM, MSNSN, MSTSN, MXTSN, CSNZJ, CSTZJ, CXNZJ, CXTZJLexmark	before 250.210Affected
CSTAT, CXTAT, MSLBD, MXLBD, CSLBL, CXLBL, CSLBN, CXLBN, CSTMH, CXTMH, CSTPP, CXTPP, MSLSG, MXLSGLexmark	before 230.506Affected

References

https://www.lexmark.com/en_us/solutions/security/lexmark-security-advisories.html

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