CVE-2026-47242

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

SUSE-SU-2026:3792-1 Security update for rmt-server

This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. - CVE-2026-42256: net-imap: hostile server can perform a DoS on client authenticating a connection with SCRAM-SHA1 or SCRAM-SHA2 bsc1265369. Changes for rmt-server: - Version 3.1: Remove all errors and warning...

Security update for rmt-server

This update for rmt-server fixes the following issue: Update to version 3.1 bsc1274715. CVE-2026-42256: net-imap: hostile server can perform a DoS on client authenticating a connection with SCRAM-SHA1 or SCRAM-SHA2 bsc1265369. Changes for rmt-server: Version 3.1: Remove all errors and warnings du...

MiracleLinux 9 : ruby:3.3 (AXSA:2026-1647:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1647:01 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

MiracleLinux 9 : ruby:4.0 (AXSA:2026-1542:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1542:01 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...

MiracleLinux 9 : ruby:3.3 (AXSA:2026-1541:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1541:01 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...

Important: Red Hat Security Advisory: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

Important: Red Hat Security Advisory: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

Important: Red Hat Security Advisory: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation

A flaw was found in Net::IMAP, a Ruby library that implements Internet Message Access Protocol IMAP client functionality. This vulnerability arises from improper input validation when handling ID field values and arguments to the enable command. A remote attacker could exploit this by injecting...

MiracleLinux 8 : ruby:3.3 (AXSA:2026-1503:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1503:01 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

EulerOS 2.0 SP13 : ruby (EulerOS-SA-2026-2997)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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,...

EulerOS 2.0 SP13 : ruby (EulerOS-SA-2026-3047)

According to the versions of the ruby packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : 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,...

Important: Red Hat Security Advisory: ruby:4.0 security, bug fix, and enhancement update

An update for the ruby:4.0 module is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication

A flaw was found in Net::IMAP, a Ruby library for Internet Message Access Protocol IMAP client functionality. A hostile server can exploit this vulnerability during SCRAM-SHA1 or SCRAM-SHA256 Salted Challenge Response Authentication Mechanism - Secure Hash Algorithm 1 or 256 authentication by...

net-imap: Net::IMAP: Command injection via non-synchronizing literals

A flaw was found in Net::IMAP, a Ruby library that provides Internet Message Access Protocol IMAP client functionality. This vulnerability allows a remote attacker to inject arbitrary IMAP commands. This is possible when an IMAP server does not support non-synchronizing literals, leading to the...

net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF sequences in unvalidated input

A flaw was found in Net::IMAP before 0.4.24, 0.5.14, and 0.6.4. Several commands accept raw string arguments sent to the server without validation or escaping; if derived from user-controlled input, CRLF sequences allow injection of arbitrary IMAP commands...

net-imap: rubygem-net-imap: Net::IMAP: Denial of Service via malformed command input

A flaw was found in Net::IMAP, a Ruby client library for the Internet Message Access Protocol IMAP. This vulnerability allows a remote attacker to cause a denial of service by sending specially crafted input to certain Net::IMAP commands. When a raw string argument, derived from user-controlled...