Report: Latest: CVE-2026-42256 - net-imap: Denial of service via high iteration count for `SCRAM-*` authentication
CVE ID :CVE-2026-42256 Published : May 9, 2026, 8:16 p.m. | 1 hour, 39 minutes ago Description :Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. From versions 0.4.0 to before 0.4.24, 0.5.0 to before 0.5.14, and 0.6.0 to before 0.6.4, when authenticating a connection with SCRAM-SHA1 or SCRAM-SHA256, a hostile server can perform a computational denial-of-service attack on the client process by sending a big iteration count value. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4. Severity: 6.0 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...