CVE-2016-4335: An exploitable buffer overflow exists in the XLS parsing of the Lexmark Perspective Document Filters conver...

Security readout for executives and security teams

CVE-2016-4335 is a remote code execution risk in Lexmark Perceptive Document Filters when it converts a malicious XLS file. If the product processes attacker-supplied spreadsheets, the conversion process could be compromised. The supplied sources do not provide CVSS, exact affected versions, or a named patch. Organizations are most exposed where Perceptive Document Filters processes XLS files from email, portals, uploads, document-management workflows, or other untrusted sources. Exposure is unclear without asset inventory because the supplied data does not name affected versions or deployment patterns. Prioritize if the product handles externally supplied spreadsheets or sits in a document intake pipeline. Remote code execution in file conversion software can create a path from a single malicious document to server compromise, but urgency depends on confirmed deployment and vendor fix status. Mitigation focus: Identify any Lexmark Perceptive Document Filters deployments and XLS conversion workflows.; Check Lexmark or product support guidance for affected versions and available updates.; Restrict or disable XLS conversion from untrusted sources where operationally feasible..

Prepared

Jun 13, 2026, 12:51 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.