MEDIUM 6.5 Microsoft
CVE-2025-43857
net-imap rubygem vulnerable to possible DoS by memory exhaustion
Microsoft Security Update 2025-Apr: net-imap rubygem vulnerable to possible DoS by memory exhaustion
Affected Products
- cbl2 ruby 3.1.7-3 on CBL Mariner 2.0
- azl3 ruby 3.3.5-6 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-43857
- https://nvd.nist.gov/vuln/detail/CVE-2025-43857
This medium severity vulnerability with a CVSS score of 6.5 was published on 2025-04-08 via Microsoft. Affected: cbl2 ruby 3.1.7-3 on CBL Mariner 2.0, azl3 ruby 3.3.5-6 on Azure Linux 3.0.
vulnfeed aggregates 11255 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.