{"id":"CVE-2026-57434","state":"PUBLISHED","title":"Nokogiri: Null Pointer Dereference calling methods on uninitialized wrapper classes","description":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could crash the process. This vulnerability is fixed in 1.19.4.","publishedAt":"2026-06-25T14:32:10.604Z","updatedAt":"2026-06-25T15:48:24.125Z","severity":{"score":1.7,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U","source":"GitHub_M"},"assigner":"GitHub_M","products":["sparklemotion nokogiri"],"affected":[{"vendor":"sparklemotion","product":"nokogiri","versions":[{"version":"< 1.19.4","status":"affected"}]}],"references":["https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57434.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57434","state":"PUBLISHED","datePublished":"2026-06-25T14:32:10.604Z","dateUpdated":"2026-06-25T15:48:24.125Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-24T13:21:20.728Z"},"containers":{"cna":{"title":"Nokogiri: Null Pointer Dereference calling methods on uninitialized wrapper classes","descriptions":[{"lang":"en","value":"Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.4, Nokogiri contains a bug when calling certain methods on allocated-but-uninitialized native wrapper classes that inherit from Nokogiri::XML::Node. This caused a NULL pointer dereference that could crash the process. This vulnerability is fixed in 1.19.4."}],"affected":[{"vendor":"sparklemotion","product":"nokogiri","versions":[{"version":"< 1.19.4","status":"affected"}]}],"references":[{"url":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2","name":"https://github.com/sparklemotion/nokogiri/security/advisories/GHSA-9cv2-cfxc-v4v2","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":1.7,"baseSeverity":"LOW","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","description":"CWE-476: NULL Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-25T14:32:10.604Z"},"source":{"advisory":"GHSA-9cv2-cfxc-v4v2","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-25T15:47:54.468813Z","id":"CVE-2026-57434","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-25T15:48:24.125Z"}}]}}}