Fedora 43 : rubygem-json (2026-8c07fcde49)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8c07fcde49 advisory. This new updates backports a fix for a format string injection vulnerability in JSON.parse, which is now assigned as CVE-2026-33210 Tenable has extracted the...

CVE-2026-33210

A flaw was found in Ruby JSON. This vulnerability, a format string injection, allows a remote attacker to cause a denial of service DoS or disclose sensitive information. The flaw occurs when processing specially crafted user-supplied documents with the allowduplicatekey: false parsing option...

Format String Injection

Ruby JSON is vulnerable to Format String Injection. The vulnerability is due to a format string injection vulnerability, where the allowduplicatekey: false parsing option is used to parse user supplied documents and can lead to denial of service attacks or information disclosure...

CVE-2026-33210

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

UBUNTU-CVE-2026-33210

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

CVE-2026-33210

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

CVE-2026-33210 Ruby JSON has a format string injection vulnerability

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

CVE-2026-33210 Ruby JSON has a format string injection vulnerability

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

CVE-2026-33210

CVE-2026-33210 concerns Ruby JSON, a JSON implementation for Ruby. The vulnerability exists in versions 2.14.0 to before 2.15.2.1, 2.17.1.2, and 2.19.2, where parsing with the option allow_duplicate_key: false can trigger a format-string injection, leading to denial of service or information disc...

CVE-2026-33210

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

CVE-2026-33210

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user...

JSON implementation for Ruby 格式化字符串错误漏洞

JSON Implementation for Ruby is a open-source Ruby implementation of JSON. There were formatting string error vulnerabilities in versions prior to Ruby 2.15.2.1, Ruby 2.17.1.2, and Ruby 2.19.2. These vulnerabilities stem from format string injection when using the allowduplicatekey: false parsing...

Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

GHSA-3M6G-2423-7CP3 Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

Ruby JSON has a format string injection vulnerability

Impact A format string injection vulnerability than that lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This option isn't the default, if you didn't opt-in to use it, you are not impacted...

PT-2026-26298

Name of the Vulnerable Software and Affected Versions Ruby JSON versions 2.14.0 through 2.15.2 Ruby JSON versions 2.17.1 through 2.17.1.2 Ruby JSON versions 2.19.0 through 2.19.2 Description Ruby JSON is a JSON implementation for Ruby. A format string injection issue exists when the allow duplica...

CVE-2026-21640

HackerOne community member Faraz Ahmed PakCyberbot has reported a format string injection in the Revive Adserver settings. When specific character combinations are used in a setting, the admin user console could be disabled due to a fatal PHP error...

CVE-2026-21640

HackerOne community member Faraz Ahmed PakCyberbot has reported a format string injection in the Revive Adserver settings. When specific character combinations are used in a setting, the admin user console could be disabled due to a fatal PHP error...

CVE-2026-21640

The CVE-2026-21640 entry describes an INI format-string injection in Revive Adserver settings that can crash the admin console with a fatal PHP error when certain character sequences are used. The issue is reported for Revive Adserver (with a referenced 6.0.4 context in the HackerOne report). Roo...

CVE-2026-21640

HackerOne community member Faraz Ahmed PakCyberbot has reported a format string injection in the Revive Adserver settings. When specific character combinations are used in a setting, the admin user console could be disabled due to a fatal PHP error...