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...

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...

Important: Red Hat Security Advisory: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.2 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 rating, is...

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...

Important: Red Hat Security Advisory: ruby security update

An update for ruby 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 rating, is...

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...

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...

RHEL 9 : ruby (RHSA-2026:83574)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:83574 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

RHEL 10 : ruby (RHSA-2026:83570)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:83570 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management...

RHEL 9 : ruby (RHSA-2026:83571)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:83571 advisory. Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management task...

Unity Linux 20.1070e Security Update: ruby (UTSA-2026-130360)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-130360 advisory. An issue was discovered in the resolv gem before 0.7.2 for Ruby. Resolv::DNS::Resource.getclass, Resolv::DNS::Resource::Generic.create, and...

AlmaLinux 8 : ruby:3.3 (ALSA-2026:72285)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:72285 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description blo...

MiracleLinux 8 : ruby:2.5 (AXSA:2026-2035:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-2035:01 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 rubygem-mongo: MongoDB Ruby Driver:...

MiracleLinux 9 : ruby:4.0 (AXSA:2026-1987:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1987:01 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding descriptio...

AlmaLinux 8 : ruby:2.5 (ALSA-2026:73519)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:73519 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 rubygem-mongo: MongoDB Ruby Driver: Data...

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...

Rocky Linux 10.2 [CIQ] Security Update: ruby / ruby-bundled-gems / ruby-bundled-gems-debuginfo / etc (crlsa-2026_72785)

The Rocky Linux 10.2 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202672785 advisory. resolv: resolv gem: Denial of Service via uncontrolled memory growth from crafted DNS responses CVE-2026-80212 Tenable has extracted the preceding description...

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...

RLSA-2026:72785 Important: ruby 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...