What is CVE-2026-69664?

CVE-2026-69664 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. httpd parks a request worker indefinitely on a malformed chunk size sent after the headers

Which CVE IDs does CVE-2026-69664 cover?

CVE-2026-69664 covers the following CVE IDs: CVE-2026-69664. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-69664?

CVE-2026-69664 affects 2 products, including: azl3 erlang 26.2.5.21-4 on Azure Linux 3.0; azl3 erlang 26.2.5.21-6 on Azure Linux 3.0.

CVE-2026-69664High

httpd parks a request worker indefinitely on a malformed chunk size sent after the headers

Vendor

Microsoft Security Response Center (MSRC)

Published

September 11, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-69664 →

🎯 Affected products2

azl3 erlang 26.2.5.21-4 on Azure Linux 3.0
azl3 erlang 26.2.5.21-6 on Azure Linux 3.0

✅ Remediation

Security Update — fixed build 26.2.5.21-6

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69664
patchhttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade