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7.6Alta

CVE-2026-42246net-imap vulnerable to STARTTLS stripping via invalid response timing

ruby net-imap; Red Hat Red Hat Enterprise Linux 10; Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support; Red Hat Red Hat Enterprise Linux 7 Extended … Publicada: (hace 6 meses)

Descripción

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4, a man-in-the-middle attacker can cause Net::IMAP#starttls to return "successfully", without starting TLS. This issue has been patched in versions 0.3.10, 0.4.24, 0.5.14, and 0.6.4.

Debilidad (CWE): CWE-392CWE-393CWE-754CWE-636CWE-841CWE-325

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
Red Hat Red Hat 3scale API Management Platform 2 —
Red Hat Red Hat Enterprise Linux 10 all versions
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support all versions
Red Hat Red Hat Enterprise Linux 6 —
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support all versions
Red Hat Red Hat Enterprise Linux 8 all versions
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support all versions
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On all versions
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service all versions
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9 all versions
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions all versions
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support all versions
Red Hat Red Hat Hardened Images all versions
Red Hat Red Hat OpenShift Container Platform 4 —
ruby net-imap < 0.3.10, >= 0.4.0, < 0.4.24, >= 0.5.0, < 0.5.14, >= 0.6.0, < 0.6.4
ruby-lang net < 0.3.10

Referencias y parches

Coincidencias CPE (NVD) (4)
  • cpe:2.3:a:ruby-lang:net\:\:imap:*:*:*:*:*:ruby:*:* < 0.3.10
  • cpe:2.3:a:ruby-lang:net\:\:imap:*:*:*:*:*:ruby:*:* ≥ 0.4.0 < 0.4.24
  • cpe:2.3:a:ruby-lang:net\:\:imap:*:*:*:*:*:ruby:*:* ≥ 0.5.0 < 0.5.14
  • cpe:2.3:a:ruby-lang:net\:\:imap:*:*:*:*:*:ruby:*:* ≥ 0.6.0 < 0.6.4

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