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: ruby4.0-4.0.6-37.3.hum1 aarch64, x8664 ruby4.0-bundled-gems-4.0.6-37.3.hum1 aarch64, x8664 ruby4.0-default-gems-4.0.6-37.3.hum1 noarch ruby4.0-devel-4.0.6-37.3.hum1 aarch64, x8664...

CVE-2026-71847

A flaw was found in Ruby JSON. A heap-use-after-free vulnerability exists in the JSON::ResumableParser component. A remote attacker, by supplying a specially crafted JSON stream with truncated duplicate keys, can cause the application to dereference freed memory. This can lead to process...

CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

DEBIAN-CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

UBUNTU-CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435 Mail: Email address spoofing via malformed RFC 2047 encoded-words

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435 Mail: Email address spoofing via malformed RFC 2047 encoded-words

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435 Mail: Email address spoofing via malformed RFC 2047 encoded-words

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...

CVE-2026-63435

Mail (Ruby gem for email generation, parsing, and sending) is vulnerable to email address spoofing via malformed RFC 2047 encoded-words prior to version 2.9.1 . The root cause lies in Mail::Utilities.q_value_decode and Mail::Utilities.b_value_decode in lib/mail/utilities.rb, which used a single S...

CVE-2026-59680

An OS command injection vulnerability was found in yast2-users. When displaying the "Password Settings" tab of a user, getpasswordterm in src/include/users/dialogs.rb read the shadowLastChange and shadowExpire fields with GetString, which performs no numeric validation, and passed the resulting...

CVE-2026-59680 yast2-users: OS command injection via LDAP-supplied shadowLastChange/shadowExpire attribute

An OS command injection vulnerability was found in yast2-users. When displaying the "Password Settings" tab of a user, getpasswordterm in src/include/users/dialogs.rb read the shadowLastChange and shadowExpire fields with GetString, which performs no numeric validation, and passed the resulting...

EUVD-2026-68996

An OS command injection vulnerability was found in yast2-users. When displaying the "Password Settings" tab of a user, getpasswordterm in src/include/users/dialogs.rb read the shadowLastChange and shadowExpire fields with GetString, which performs no numeric validation, and passed the resulting...

CVE-2026-59680

An OS command injection vulnerability in yast2-users (through 5.0.8 ) allows root-level command execution via a malicious LDAP directory. The flaw is in get_password_term() in src/include/users/dialogs.rb, which reads the shadowLastChange and shadowExpire attributes via GetString() with no numeri...

Attackers Exploit Critical Langflow and Rails Flaws in Credential-Probing and C2 Activity

Threat actors are exploiting two critical flaws impacting Langflow and Ruby on Rails, according to new findings from VulnCheck. The vulnerabilities in question are listed below - CVE-2026-0768 CVSS score: 9.8 - A lack of proper validation of a user-supplied input vulnerability that could be...

PT-2026-84460

Name of the Vulnerable Software and Affected Versions Mail versions prior to 2.9.1 Description Mail is an internet library for Ruby used for email generation, parsing, and sending. The functions q value decode and b value decode within Mail::Utilities use a single Stringmatch and an overly greedy...

PT-2026-84129

Name of the Vulnerable Software and Affected Versions yast2-users versions prior to 5.0.9 Description An OS command injection issue exists when displaying the Password Settings tab of a user. The get password term function in src/include/users/dialogs.rb retrieves the shadowLastChange and...

Linux Distros Unpatched Vulnerability : CVE-2026-80213

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::MessageEncoder wrote a DNS label's length into a single octet without checking its...

CVE-2026-63435: Interpretation Conflict

Mail is an internet library for Ruby designed to handle email generation, parsing, and sending. Prior to 2.9.1, Mail::Utilities.qvaluedecode and Mail::Utilities.bvaluedecode used a single Stringmatch and an overly greedy charset capture to decode only the first RFC 2047 encoded-word and mishandle...