EUVD-2026-31477

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

CVE-2026-46727

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

Unity Linux 20.1060e / 20.1070e Security Update: rubygem-nokogiri (UTSA-2026-016661)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016661 advisory. Nokogiri is a Rubygem providing HTML, XML, SAX, and Reader parsers with XPath and CSS selector support. In Nokogiri before version 1.11.0.rc4 there is an XXE...

Ruby 竞争条件问题漏洞

Ruby is a cross-platform, object-oriented dynamic type programming language developed by Yukihiro Matsumoto. Prior to Ruby 4.0.5, there was a race condition vulnerability. This vulnerability stemmed from a race condition in the getaddrinfo handling process based on pthread, where reusing resource...

CVE-2026-46727

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

Unity Linux 20.1070e Security Update: rubygem-nokogiri (UTSA-2026-016729)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016729 advisory. Nokogiri is an open source XML and HTML library for Ruby. Nokogiri = 1.13.4. There are no known workarounds for this issue. Tenable has extracted the preceding...

CVE-2026-46727

An issue was discovered in Ruby 4 before 4.0.5. A race condition leading to a use-after-free in the pthread-based getaddrinfo timeout handler rbgetaddrinfo in ext/socket/raddrinfo.c allows a remote attacker who can delay DNS responses near the user-specified timeout to crash a Ruby process that...

Unity Linux 20.1060e / 20.1070e Security Update: rubygem-websocket-extensions (UTSA-2026-016659)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016659 advisory. websocket-extensions ruby module prior to 0.1.5 allows Denial of Service DoS via Regex Backtracking. The extension parser may take quadratic time when parsing a head...

Unity Linux 20.1060e / 20.1070e Security Update: rubygem-kramdown (UTSA-2026-016646)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016646 advisory. The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access such as...

MiracleLinux 9 : ruby:3.3 (AXSA:2026-706:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-706:01 advisory. erb: ERB: Arbitrary code execution via deserialization bypass CVE-2026-41316 Tenable has extracted the preceding description block directly from the...

MiracleLinux 9 : ruby-3.0.7-166.el9_7 (AXSA:2026-694:02)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-694:02 advisory. erb: ERB: Arbitrary code execution via deserialization bypass CVE-2026-41316 Tenable has extracted the preceding description block directly from the...

Astra Linux - уязвимость в ruby-tzinfo

TZInfo is a Ruby library that provides access to time zone data and allows times to be converted using time zone rules. Versions prior to 0.36.1, as well as those prior to 1.2.10 when used with the Ruby data source tzinfo-data, are vulnerable to relative path traversal. With the Ruby data source,...

Astra Linux - уязвимость в ruby2.5

REXML is an XML toolkit for Ruby. The REXML gem version 3.3.2 has a DoS vulnerability when it parses an XML document that contains many entity expansions using SAX2 or the pull parser API. The REXML gem versions 3.3.3 and later include a patch to fix this vulnerability...

Astra Linux - уязвимость в ruby2.5

A issue was discovered in Ruby 3.x through 3.3.0. If data supplied by an attacker is provided to the Ruby regex compiler, it is possible to extract arbitrary heap data relative to the start of the text, including pointers and sensitive strings. The fixed versions are 3.0.7, 3.1.5, 3.2.4, and 3.3....

Astra Linux - уязвимость в ruby-loofah

Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah = 2.1.0; versions less than 2.19.1 are vulnerable to cross-site scripting due to the image/svg+xml media type in data URIs. This issue has been fixed in version 2.19.1...

Astra Linux - уязвимость в ruby-rack

A sequence injection vulnerability exists in Rack versions 2.0.9.1, 2.1.4.1, and 2.2.3.1. This vulnerability could allow for shell escapes in the Lint and CommonLogger components of Rack...

Astra Linux - уязвимость в ruby-rack

Rack is a modular Ruby web server interface. Carefully crafted content type headers can cause Rack’s media type parser to take much longer than expected, leading to a possible denial-of-service vulnerability ReDos, degree 2 polynomial. This vulnerability has been fixed in 3.0.9.1 and 2.2.8.1...

Astra Linux - уязвимость в ruby2.5, jruby

A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby, up to 3.2.1. The Time parser improperly handles invalid URLs that contain specific characters. This causes an increase in execution time when parsing strings into Time objects. The fixed versions are 0.1.1 and 0.2.2...

Astra Linux - уязвимость в ruby2.5

The attack vector is a potential Denial of Service DoS attack. The vulnerability arises from an insufficient check on the length of a decompressed domain name within a DNS packet. An attacker can create a malicious DNS packet containing a highly compressed domain name. When the resolv library...

Astra Linux - уязвимость в ruby2.5

REXML is an XML toolkit for Ruby. The REXML gem before version 3.2.6 has a denial-of-service vulnerability when it parses an XML document with many tags in an attribute value. Users who need to parse untrusted XML documents may be affected by this vulnerability. The REXML gem version 3.2.7 or lat...