Medium severity6.5NVD Advisory· Published Mar 26, 2026· Updated Mar 31, 2026
CVE-2026-33438
CVE-2026-33438
Description
Stirling-PDF is a locally hosted web application that allows you to perform various operations on PDF files. Versions starting in 2.1.5 and prior to 2.5.2 have Denial of Service (DoS) vulnerability in the Stirling-PDF watermark functionality (/api/v1/security/add-watermark endpoint). The vulnerability allows authenticated users to cause resource exhaustion and server crashes by providing extreme values for the fontSize and widthSpacer parameters. Version 2.5.2 patches the issue.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-3932-2rfq-87xmnvdExploitVendor Advisory
News mentions
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