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...

CVE-2026-102404

A low-privileged authenticated user can trigger a Denial of Service (DoS) in Elasticsearch by submitting a specially crafted query. The vulnerability, classified as CWE-400 (Uncontrolled Resource Consumption) and CAPEC-130 (Excessive Allocation), causes uncontrolled memory growth in the query pro...

CVE-2026-102404 Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service

Uncontrolled Resource Consumption CWE-400 in Elasticsearch can lead to denial of service via Excessive Allocation CAPEC-130. A low-privileged authenticated user can submit a specially crafted query that causes uncontrolled memory growth in the query processing engine, resulting in an out-of-memor...

PT-2026-107155

Name of the Vulnerable Software and Affected Versions Elasticsearch affected versions not specified Description Uncontrolled Resource Consumption in the query processing engine allows a low-privileged authenticated user to submit a specially crafted query. This action causes uncontrolled memory...

MiracleLinux 9 : ruby:3.3 (AXSA:2026-1957:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1957:01 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding descriptio...

ruby security update

An update is available for ruby. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Ruby is an extensible, interpreted, object-oriented, scripting language. It has...

Important: Red Hat Security Advisory: ruby security update

An update for ruby 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 the...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72484)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202672484 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description bloc...

Rocky Linux 9 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72485)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202672485 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description bloc...

Rocky Linux 10.2 [CIQ] Security Update: ruby4.0 / ruby4.0-debuginfo / ruby4.0-debugsource / ruby4.0-devel / etc (crlsa-2026_72427)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202672427 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

MiracleLinux 9 : ruby-3.0.7-168.el9_8 (AXSA:2026-1936:05)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1936:05 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding descriptio...

RHEL 9 : ruby:3.3 (RHSA-2026:72485)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:72485 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

RockyLinux 9 : ruby:3.3 (RLSA-2026:72485)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:72485 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

RLSA-2026:72484 Important: ruby:4.0 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 For more details...

RLSA-2026:72485 Important: ruby:3.3 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 For more details...

Important: Red Hat Security Advisory: ruby:4.0 security 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...

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...

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...

ruby:3.3 security update

An update is available for rubygem-pg, ruby, module.rubygem-pg, module.rubygem-abrt, module.ruby, module.rubygem-mysql2, rubygem-abrt, rubygem-mysql2. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Important: ruby:3.3 security update

Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. Security Fixes: resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 For more details...