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OpenAdvisories
Medium · 5.9 CVE-2025-42873 EUVD-2025-201854GHSA-rvp5-chfc-grq8

Denial of Service (DoS) in SAPUI5 framework (Markdown-it component)

Published Dec 9, 2025 · Updated Dec 9, 2025 · Assigned by sap

Description

SAPUI5 (and OpenUI5) packages use outdated 3rd party libraries with known security vulnerabilities. When markdown-it encounters special malformed input, it fails to terminate properly, resulting in an infinite loop. This Denial of Service via infinite loop causes high CPU usage and system unresponsiveness due to a blocked processing thread. This vulnerability has no impact on confidentiality or integrity but has a high impact on system availability.

Affected products

VendorProductAffectedFixed
SAP_SE SAPUI5 framework (Markdown-it component) SAP_UI 755, 756, 757, 758 —

Advisories 2

References