CVE-2026-107161: Cyrus-sasl: heap buffer overflow in cyrus-sasl add_to_challenge() allows malicious server to crash or compromise digest-md5 clients

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-11

Last Updated

2026-10-13

EPSS Score

0.28% (percentile: 18.7%)

Affected Products (2)

Other

• 21032-17084
• 21033-17084

Revision History

• 2026-10-11: Information published.
• 2026-10-13: Information published.