K000163534: Ruby vulnerabilities CVE-2026-42245, CVE-2026-42246, CVE-2026-42257

Security Advisory Description 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. ...

AlmaLinux 9.2 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1791199760)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1791199760 advisory. - Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50827)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650827 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_33577)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633577 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-default-gems / etc Multiple Vulnerabilities (crlsa-2026_33512)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633512 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_33576)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633576 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2026_33514)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633514 advisory. ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments CVE-2026-42258 net-imap: ruby: Net::IMAP: Information disclosure via...

Rocky Linux 10.0 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_8131)

The Rocky Linux 10.0 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20258131 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri:...

Rocky Linux 10.2 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50778)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650778 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-debuginfo / ruby-debugsource / ruby-devel / ruby-doc / etc Multiple Vulnerabilities (crlsa-2022_0672)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20220672 advisory. rubygem-rdoc: Command injection vulnerability in RDoc CVE-2021-31799 ruby: FTP PASV command response can cause Net::FTP to connect to arbitrary host...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50828)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650828 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1784073521)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784073521 advisory. - Net::IMAP implements Internet Message Access Protocol IMAP client functionality in Ruby. Prior to versions 0.3.10, 0.4.24, 0.5.1...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_10217)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202510217 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri: userinf...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2025_4493)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20254493 advisory. net-imap: Net::IMAP vulnerable to possible DoS by memory exhaustion CVE-2025-25186 CGI: Denial of Service in CGI::Cookie.parse CVE-2025-27219 uri: userinfo...

Rocky Linux 10.2 [CIQ] Security Update: ruby4.0 / ruby4.0-debuginfo / ruby4.0-debugsource / ruby4.0-devel / etc Multiple Vulnerabilities (crlsa-2026_50773)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650773 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 10.2 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_33565)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633565 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbo...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_33515)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633515 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol...

Rocky Linux 8 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc Multiple Vulnerabilities (crlsa-2026_50728)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202650728 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Rocky Linux 10.2 [CIQ] Security Update: ruby4.0 / ruby4.0-debuginfo / ruby4.0-debugsource / ruby4.0-devel / etc Multiple Vulnerabilities (crlsa-2026_33540)

The Rocky Linux 10.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-202633540 advisory. ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses CVE-2026-42245 ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbo...

AlmaLinux 9.2 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.2:CLSA-2026:1783525446)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783525446 advisory. - 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....