HIGH 7.5 Microsoft
CVE-2026-27601
Underscore.js has unlimited recursion in _.flatten and _.isEqual, potential for DoS attack
Microsoft Security Update 2026-Mar: Underscore.js has unlimited recursion in _.flatten and _.isEqual, potential for DoS attack
Affected Products
- azl3 boost 1.83.0-2 on Azure Linux 3.0
- cbl2 cyrus-sasl 2.1.28-4 on CBL Mariner 2.0
- cbl2 cyrus-sasl-bootstrap 2.1.28-4 on CBL Mariner 2.0
- 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
- azl3 krb5 1.21.3-3 on Azure Linux 3.0
- cbl2 python-sphinx 4.4.0-3 on CBL Mariner 2.0
- cbl2 python-sqlalchemy 1.4.32-2 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27601
- https://nvd.nist.gov/vuln/detail/CVE-2026-27601
This high severity vulnerability with a CVSS score of 7.5 was published on 2026-03-10 via Microsoft. Affected: azl3 boost 1.83.0-2 on Azure Linux 3.0, cbl2 cyrus-sasl 2.1.28-4 on CBL Mariner 2.0, cbl2 cyrus-sasl-bootstrap 2.1.28-4 on CBL Mariner 2.0 and 5 more.
vulnfeed aggregates 8893 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.