CVE-2026-42256

216.73.217.80

· Published 09/05/2026 20:16 · Modified 09/05/2026 20:16

Labels: CVE-2026-42256 2026-05-09 CVE-2026-42256 CWE-770 [email protected]

Essential information

Published: 09/05/2026 20:16
Modified: 09/05/2026 20:16
Author: —
Creator: —
CVSS: 6.0 MEDIUM (v3) 6.0 MEDIUM (v4.0)
CISA KEV: No
CWE: —
CVSS vector: —

CVSS metrics

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.

NVD status

Status: Received — CVE has been recently published to the CVE List and has been received by the NVD.
Source: [email protected]
NVD: View on NVD

Affected products (CPE)

Product	CPE
ruby / net-imap	`cpe:2.3:a:ruby:net-imap:0.4.0-0.4.24:::::::*`
ruby / net-imap	`cpe:2.3:a:ruby:net-imap:0.5.0-0.5.14:::::::*`
ruby / net-imap	`cpe:2.3:a:ruby:net-imap:0.6.0-0.6.4:::::::*`