16891 matches found
Important: Red Hat Security Advisory: ruby security update
An update for ruby 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 vulnerability from the...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments
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 achieved by passing specially crafted symbol arguments to IMAP commands. Successful...
Important: Red Hat Security Advisory: ruby:2.5 security update
An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8. 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...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
ruby: net-imap: Net::IMAP: Denial of Service via crafted IMAP responses
A flaw was found in Net::IMAP, a Ruby library implementing the Internet Message Access Protocol IMAP client functionality. A hostile server can exploit a quadratic time complexity issue in the Net::IMAP::ResponseReader when processing large responses containing numerous string literals. This can...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
Important: Red Hat Security Advisory: ruby4.0 security update
An update for ruby4.0 is now available for Red Hat Enterprise Linux 10. 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 vulnerability from...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby3.4: ruby3.4-3.4.8-31.2.hum1 aarch64, x8664 ruby3.4-bundled-gems-3.4.8-31.2.hum1 aarch64, x8664 ruby3.4-default-gems-3.4.8-31.2.hum1 noarch ruby3.4-devel-3.4.8-31.2.hum1 aarch64, x8664...
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...
Important: Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update
An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: ruby4.0: ruby4.0-4.0.0-33.4.hum1 aarch64, x8664 ruby4.0-bundled-gems-4.0.0-33.4.hum1 aarch64, x8664 ruby4.0-default-gems-4.0.0-33.4.hum1 noarch ruby4.0-devel-4.0.0-33.4.hum1 aarch64, x8664...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
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...
erb: ERB: Arbitrary code execution via deserialization bypass
A flaw was found in ERB, a templating system for Ruby. An attacker who can trigger deserialization of untrusted data in a Ruby application can bypass existing protections. This vulnerability allows for arbitrary code execution by exploiting specific public methods that evaluate template source...
Important: Red Hat Security Advisory: ruby security update
An update for ruby 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 available for ea...
ruby/net-imap: ruby: Net::IMAP: IMAP Command Injection via Symbol Arguments
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 achieved by passing specially crafted symbol arguments to IMAP commands. Successful...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
erb: ERB: Arbitrary code execution via deserialization bypass
A flaw was found in ERB, a templating system for Ruby. An attacker who can trigger deserialization of untrusted data in a Ruby application can bypass existing protections. This vulnerability allows for arbitrary code execution by exploiting specific public methods that evaluate template source...
ALSA-2026:33540 Important: ruby4.0 security update
Ruby is the interpreted scripting language for quick and easy object-oriented programming. It has many features to process text files and to do system management tasks as in Perl. It is simple, straight-forward, and extensible. Security Fixes: ruby: net-imap: Net::IMAP: Denial of Service via...