CVE-2025-42873 - CVE House
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Status published Medium CVE-2025-42873

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

Vulnerability 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SAPUI5 (and OpenUI5) packages use outdated 3rd party libraries with known security vulnerabilities.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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

SAPUI5 framework (Markdown-it component)
Vulnerable Versions:
SAP_UI 755, 756, 757, 758

Timeline

Official Publish: December 9th, 2025
Last Modified: December 9th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-405

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.