What is CVE-2026-83619?

CVE-2026-83619 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. xmldom: End-tag Whitespace-Trim Regex ReDoS — quadratic backtracking in the 0.8.x end-tag parser

Which CVE IDs does CVE-2026-83619 cover?

CVE-2026-83619 covers the following CVE IDs: CVE-2026-83619. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-83619?

CVE-2026-83619 affects 1 product, including: azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0.

CVE-2026-83619High

xmldom: End-tag Whitespace-Trim Regex ReDoS — quadratic backtracking in the 0.8.x end-tag parser

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-83619 →

🎯 Affected products1

azl3 python-tensorboard 2.16.2-6 on Azure Linux 3.0

✅ Remediation

Security Update

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83619
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade