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Microsoft Security Response CenterCVE-2026-107161

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

HighVendor CVSS 7.5 / 10 1 CVE Published Oct 11, 2026 at 1:50 AM UTC

Summary

Mariner

Products covered

  • 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

Release Notes

CVEs in this advisory 1

Updates

  1. Published by Microsoft Security Response Center

    The publication date reported by the vendor.

  2. Updated by Microsoft Security Response Center

    The vendor changed the advisory after it was first published.

  3. Added to SecurityAlert

    We collected the advisory from the official source.

  4. Confirmed at the source

    Our collector saw this advisory during a later source check.