NULL Pointer Dereference in mruby/mruby

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HPACK table poisoning in gRPC C++, Python & Ruby

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Medium: ruby

Issue Overview: An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter startdocument function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can...

Linux Distros Unpatched Vulnerability : CVE-2013-0162

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The diffpp function in lib/gauntletrubyparser.rb in the rubyparser gem 3.1.1 and earlier for Ruby allows local users to overwrite arbitrary files via a symlink...

Amazon Linux 2 : ruby, --advisory ALAS2-2025-2990 (ALAS-2025-2990)

The version of ruby installed on the remote host is prior to 2.0.0.648-36. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2990 advisory. An exploitable heap overflow vulnerability exists in the Psych::Emitter startdocument function of Ruby. In Psych::Emitter...

rexml: REXML ReDoS vulnerability

A flaw was found in the ReXML XML toolkit for Ruby. Parsing XML data containing a large number of digits between & and x...; in a hex numeric character reference &x...; can trigger a regular expression denial of service ReDoS condition, leading to a denial of service...

USN-7735-1 rubygems vulnerabilities

It was discovered that RubyGems incorrectly handled certain regular expressions. An attacker could use this issue to cause RubyGems to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2023-28755 It was discovered that RubyGems incorrectly handled decompresse...

USN-7735-1: RubyGems vulnerabilities

It was discovered that RubyGems incorrectly handled certain regular expressions. An attacker could use this issue to cause RubyGems to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS. CVE-2023-28755 It was discovered that RubyGems incorrectly handled decompresse...

USN-7734-1 ruby2.5, ruby2.7, ruby3.0, ruby3.2, ruby3.3 vulnerabilities

It was discovered that Ruby incorrectly handled certain IO stream methods. A remote attacker could use this issue to cause Ruby to crash, resulting in a denial of service, or possibly obtain sensitive information. This issue only affected Ubuntu 18.04 LTS. CVE-2024-27280 It was discovered that th...

Linux Distros Unpatched Vulnerability : CVE-2019-25025

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The activerecord-sessionstore aka Active Record Session Store component through 1.1.3 for Ruby on Rails does not use a constant-time approach when delivering...

Linux Distros Unpatched Vulnerability : CVE-2023-51774

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The json-jwt aka JSON::JWT gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes...

SUSE SLES15: libruby2_5-2_5 / ruby2.5 / ruby2.5-devel / ruby2.5-devel-extra / etc (SUSE-SU-2025:02739-2)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:02739-2 advisory. - CVE-2025-6442: Fixed readheader HTTP Request Smuggling Vulnerability in WEBrick bsc1245254 - CVE-2025-27221: Fixed userinfo...

Security update for ruby2.5

This update for ruby2.5 fixes the following issues: CVE-2025-6442: Fixed readheader HTTP Request Smuggling Vulnerability in WEBrick bsc1245254 CVE-2025-27221: Fixed userinfo leakage in URIjoin, URImerge and URI+ bsc1237805 Patch Instructions: To install this SUSE update use the SUSE recommended...

SUSE-SU-2025:02739-2 Security update for ruby2.5

This update for ruby2.5 fixes the following issues: - CVE-2025-6442: Fixed readheader HTTP Request Smuggling Vulnerability in WEBrick bsc1245254 - CVE-2025-27221: Fixed userinfo leakage in URIjoin, URImerge and URI+ bsc1237805...

Malicious code in authzd-client (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 45ba3e72eb15bda66737b4c0b7addefe2fa72e79d4a38a82e9dd53722cc04f7b The OpenSSF Package Analysis project identified 'authzd-client' @ 0.11.10.r813fef313 rubygems as malicious. It is considered malicious because: ...

MAL-2025-46925 Malicious code in authzd-client (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 45ba3e72eb15bda66737b4c0b7addefe2fa72e79d4a38a82e9dd53722cc04f7b The OpenSSF Package Analysis project identified 'authzd-client' @ 0.11.10.r813fef313 rubygems as malicious. It is considered malicious because: ...

MAL-2025-46924 Malicious code in advisory_db_toolkit (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 6f9757e1ad29ad430d32886a0fcfa47e48a29e5e4af901f48e305216133028e6 The OpenSSF Package Analysis project identified 'advisorydbtoolkit' @ 99.99.99 rubygems as malicious. It is considered malicious because: - The...

Malicious code in advisory_db_toolkit (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 6f9757e1ad29ad430d32886a0fcfa47e48a29e5e4af901f48e305216133028e6 The OpenSSF Package Analysis project identified 'advisorydbtoolkit' @ 99.99.99 rubygems as malicious. It is considered malicious because: - The...

MAL-2025-46926 Malicious code in github_chatops_extensions (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 6269b59c516350c690f7fdf09dff674c52173f38074e8ac6f7b012352851797b The OpenSSF Package Analysis project identified 'githubchatopsextensions' @ 0.5.2.96.g33cefed rubygems as malicious. It is considered malicious...

Malicious code in github_chatops_extensions (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: ossf-package-analysis 6269b59c516350c690f7fdf09dff674c52173f38074e8ac6f7b012352851797b The OpenSSF Package Analysis project identified 'githubchatopsextensions' @ 0.5.2.96.g33cefed rubygems as malicious. It is considered malicious...