{"cvss":6.3,"datePublished":"2026-06-25T15:16:40.493","dateUpdated":"2026-10-25T23:10:00.167","description":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::NodeSet#[] (and its alias #slice) checked the requested index against the node set's bounds using a 32-bit-truncated copy of the index. A large negative index could pass the check and then be used at full width, reading outside the node set's storage. On CRuby this is an out-of-bounds read that typically crashes the process; on JRuby it is not memory-unsafe but returns an incorrect node. This vulnerability is fixed in 1.19.4.","id":"CVE-2026-57235","raw":{"affected":[{"affectedData":[{"product":"nokogiri","vendor":"sparklemotion","versions":[{"status":"affected","version":"< 1.19.4"}]}],"source":"security-advisories@github.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:nokogiri:nokogiri:*:*:*:*:*:ruby:*:*","matchCriteriaId":"1E436D65-41E3-459F-9D7F-3CD5BB2BFCB1","versionEndExcluding":"1.19.4","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri::XML::NodeSet#[] (and its alias #slice) checked the requested index against the node set's bounds using a 32-bit-truncated copy of the index. A large negative index could pass the check and then be used at full width, reading outside the node set's storage. On CRuby this is an out-of-bounds read that typically crashes the process; on JRuby it is not memory-unsafe but returns an incorrect node. This vulnerability is fixed in 1.19.4."},{"lang":"es","value":"Nokogiri es una biblioteca XML y HTML de código abierto para el lenguaje de programación Ruby. Anteriormente a la 1.19.4, Nokogiri::XML::NodeSet#[] (y su alias #slice) verificaba el índice solicitado contra los límites del conjunto de nodos utilizando una copia truncada a 32 bits del índice. Un índice negativo grande podía pasar la verificación y luego ser utilizado a ancho completo, leyendo fuera del almacenamiento del conjunto de nodos. En CRuby, esto es una lectura fuera de límites que típicamente bloquea el proceso; en JRuby, no es inseguro para la memoria, pero devuelve un nodo incorrecto. Esta vulnerabilidad se ha corregido en la versión 1.19.4."}],"id":"CVE-2026-57235","lastModified":"2026-10-25T23:10:00.167","metrics":{"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.2,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":4.2,"source":"nvd@nist.gov","type":"Primary"}],"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","availabilityRequirement":"NOT_DEFINED","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"security-advisories@github.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-57235","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-06-25T15:40:58.746326Z","version":"2.0.3"}}]},"published":"2026-06-25T15:16:40.493","references":[{"source":"security-advisories@github.com","tags":["Mitigation","Vendor Advisory"],"url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-5prr-v3j2-97mh"}],"sourceIdentifier":"security-advisories@github.com","vulnStatus":"Analyzed","weaknesses":[{"description":[{"lang":"en","value":"CWE-125"},{"lang":"en","value":"CWE-190"}],"source":"security-advisories@github.com","type":"Secondary"}]},"severity":"MEDIUM","source":"nvd","title":"Nokogiri is an open source XML and HTML library for the Ruby programming language"}