CentOS Linux 7 [TuxCare] Security Update: ruby / ruby-devel / ruby-doc / ruby-irb / ruby-libs / ruby-tcltk / etc (CENTOS7:CLSA-2026:1786470325)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1786470325 advisory. - zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buff...

AlmaLinux 9.2 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.2:CLSA-2026:1785428387)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785428387 advisory. - zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a...

Rocky Linux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.6:CLSA-2026:1785320518)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785320518 advisory. - zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain ...

AlmaLinux 9.6 [TuxCare] Security Update: ruby / ruby-default-gems / ruby-devel / ruby-doc / ruby-libs / etc (ALMALINUX9.6:CLSA-2026:1785320518)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1785320518 advisory. - zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: ruby (UTSA-2026-106199)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106199 advisory. zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow...

AlmaLinux 9 : ruby:4.0 (ALSA-2026:50827)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:50827 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

OESA-2026-3537 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: The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an...

OESA-2026-3536 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: The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an...

OESA-2026-3535 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: The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an...

OESA-2026-3534 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: The attack vector is a potential Denial of Service DoS. The vulnerability is caused by an...

ruby security, bug fix, and enhancement 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-2026:50728 Important: ruby:3.3 security, bug fix, and enhancement 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: zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command...

MiracleLinux 9 : ruby:4.0 (AXSA:2026-1667:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1667:01 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

RockyLinux 10 : ruby4.0 (RLSA-2026:50773)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:50773 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

RockyLinux 10 : ruby (RLSA-2026:50778)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:50778 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

CLSA-2026-1786470325 ruby: Fix of CVE-2026-27820

CVE-2026-27820: fix buffer overflow in Zlib::GzipReaderungetc - Skip unresolvable GIDs in TestProcesstestexecoptsgid build env workaround...

MiracleLinux 8 : ruby:3.3 (AXSA:2026-1503:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1503:01 advisory. zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader CVE-2026-27820 net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF...

Important: Red Hat Security Advisory: ruby:4.0 security, bug fix, and enhancement 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...

zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader

A flaw was found in zlib, a Ruby interface for the zlib compression/decompression library. The Zlib::GzipReader component contains a buffer overflow vulnerability. This occurs because the zstreambufferungets function does not ensure sufficient memory capacity before moving existing data, which ca...

Important: Red Hat Security Advisory: ruby security, bug fix, and enhancement 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...