Vulnerability · Published Feb 3, 2026 · Assigned by Lexmark

CVE-2025-65079Heap-based buffer overflow vulnerability in Postscript interpreter

Medium 6.9

In plain English

A medium-severity heap buffer overflow in CSTAT, CXTAT, MSLBD, MXLBD, CSLBL, CXLBL, CSLBN, CXLBN, CSTMH, CXTMH, CSTPP, CXTPP, MSLSG, MXLSG from Lexmark. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).

Severity (CVSS 4.0)6.9Medium

Exploit odds (30 days)0.5%top 55.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Lexmark	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, CXTZJ	0 – before 250.210
Lexmark	CSTAT, CXTAT, MSLBD, MXLBD, CSLBL, CXLBL, CSLBN, CXLBN, CSTMH, CXTMH, CSTPP, CXTPP, MSLSG, MXLSG	0 – before 230.506

Weakness: CWE-122 · Vector: 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

References

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