CVE-2026-42245 | Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.
- 🔗 github.com/ruby/net-imap/security/advisories/GHSA-q2…
- 🔗 github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbf…
- 🔗 github.com/ruby/net-imap/commit/88d95231fc8afef11c1f…
- 🔗 github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80…
- 🔗 github.com/ruby/net-imap/releases/tag/v0.4.24
- 🔗 github.com/ruby/net-imap/releases/tag/v0.5.14
- 🔗 github.com/ruby/net-imap/releases/tag/v0.6.4
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CVE-2026-42245 | Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.
Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many str