Oracle Linux 10 : ruby4.0 (ELSA-2026-72427)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-72427 advisory. 4.0.6-37 - Fix resolv: do not register on-demand classes for unknown DNS types and SvcParamKeys to prevent memory exhaustion CVE-2026-80212 Resolves:...

CLSA-2026-1789389792 ruby: Fix of CVE-2026-80212

CVE-2026-80212: fix unbounded class registration for unknown DNS types...

Important: ruby4.0

Issue Overview: An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new class for each unknown DNS resource record type, class pair, or each unknown SvcParamKey...

Important: ruby3.4

Issue Overview: An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new class for each unknown DNS resource record type, class pair, or each unknown SvcParamKey...

OESA-2026-3667 ruby security update

Ruby is a fast and easy interpreted scripting language for object-oriented programming. It has many functions for processing text Files and perform system management tasks such as Perl. Security Fixes: An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass...

Improperly Controlled Sequential Memory Allocation

Overview resolv is a Thread-aware DNS resolver library in Ruby. Affected versions of this package are vulnerable to Improperly Controlled Sequential Memory Allocation due to permanent class registration in Resolv::DNS::Resource::Generic.create, Resolv::DNS::SvcParam::Generic.create, and the relat...

CVE-2026-80212

An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new class for each unknown DNS resource record type, class pair, or each unknown SvcParamKey, encountered...

CVE-2026-80212

An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new class for each unknown DNS resource record type, class pair, or each unknown SvcParamKey, encountered...

CVE-2026-80212

An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create generate a new class for each unknown DNS resource record type, class pair, or each unknown SvcParamKey, encountered...

CVE-2026-80212

CVE-2026-80212 is a memory exhaustion vulnerability in the resolv gem before 0.7.2 for Ruby. The root cause is that Resolv::DNS::Resource.get_class, Resolv::DNS::Resource::Generic.create, and Resolv::DNS::SvcParam::Generic.create permanently register a new class for every unknown DNS resource rec...

resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses

A flaw was found in the resolv gem. An attacker controlling DNS responses e.g., a spoofed response or a malicious upstream DNS server can exploit this by sending crafted DNS responses containing many distinct unknown DNS resource record pairs or SvcParamKeys. This leads to uncontrolled memory...

Apache Fury deserialization vulnerability (CNVD-2026-30659)

Apache Fury is a high-performance serialization framework that supports multiple languages such as Java and C++. It is widely used in distributed systems and message queues to handle cross-language or cross-process data exchanges. Before version 1.4.0, Apache Fury had a deserialization...

CVE-2026-64606 Apache Fory, Apache Fory: Class-registration bypass through an auto-admitted SerializedLambda capturing interface

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...

CVE-2026-64606

A deserialization vulnerability exists in Apache Fury (a high-performance serialization framework) versions prior to 1.4.0 . The root cause is insufficient validation of lambda expression classes during Java deserialization, specifically affecting the lambda capture class . An attacker can constr...

CVE-2026-64606

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...

EUVD-2026-46173

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...

CVE-2026-64606 Apache Fory, Apache Fory: Class-registration bypass through an auto-admitted SerializedLambda capturing interface

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...

CVE-2026-64606

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...

PT-2026-61855

Name of the Vulnerable Software and Affected Versions Apache Fory versions prior to 1.4.0 Description An issue exists involving the deserialization of untrusted data, which may allow class-registration checks to be bypassed during Java lambda deserialization. This specifically affects the lambda...

CVE-2026-64606: Deserialization of Untrusted Data

Deserialization of untrusted data vulnerability that may allow class-registration checks to be bypassed during Java lambda deserialization. Only lambda capture class is affected This issue affects Apache Fory: from before 1.4.0. Users are recommended to upgrade to version 1.4.0, which fixes the...