What is CVE-2026-107161?

CVE-2026-107161 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server to crash or compromise digest-md5 clients

Which CVE IDs does CVE-2026-107161 cover?

CVE-2026-107161 covers the following CVE IDs: CVE-2026-107161. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-107161?

CVE-2026-107161 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-107161?

CVE-2026-107161 affects 2 products, including: azl3 cyrus-sasl 2.1.28-8 on Azure Linux 3.0; azl3 cyrus-sasl-bootstrap 2.1.28-8 on Azure Linux 3.0.

CVE-2026-107161HighCVSS 7.5

Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server to crash or compromise digest-md5 clients

Vendor

Microsoft Security Response Center (MSRC)

Published

October 11, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-107161 →

🎯 Affected products2

azl3 cyrus-sasl 2.1.28-8 on Azure Linux 3.0
azl3 cyrus-sasl-bootstrap 2.1.28-8 on Azure Linux 3.0

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-107161
referencehttps://learn.microsoft.com/en-us/azure/azure-linux/tutorial-azure-linux-upgrade