{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-11-10T09:23:24.045","vulnerabilities":[{"cve":{"id":"CVE-2026-64607","sourceIdentifier":"security@apache.org","published":"2026-07-31T11:17:11.710","lastModified":"2026-10-23T23:10:00.157","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported `Content-Encoding` header value in the response message. Please note this defect does not affect HttpClient based on the async i/o model.\n\nThis issue affects Apache HttpComponents Client: from 5.0-alpha1 through 5.6.2."},{"lang":"es","value":"HttpClient basado en el modelo de E/S clásico no logra liberar correctamente la conexión subyacente de vuelta al gestor de conexiones si encuentra un valor de encabezado ’Content-Encoding’ inválido o no compatible en el mensaje de respuesta. Tenga en cuenta que este defecto no afecta a HttpClient basado en el modelo de E/S asíncrono.\n\nEste problema afecta a Apache HttpComponents Client: desde 5.0-alpha1 hasta 5.6.2."}],"affected":[{"source":"security@apache.org","affectedData":[{"vendor":"Apache Software Foundation","product":"Apache HttpComponents Client","defaultStatus":"unaffected","collectionURL":"https://repo.maven.apache.org/maven2/","packageName":"org.apache.httpcomponents.client5:httpclient5","versions":[{"version":"5.0-alpha","lessThanOrEqual":"5.6.2","versionType":"semver","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","baseScore":5.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":3.9,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-31T16:24:59.439841Z","id":"CVE-2026-64607","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@apache.org","type":"Secondary","description":[{"lang":"en","value":"CWE-772"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:apache:httpclient:*:*:*:*:*:*:*:*","versionStartIncluding":"5.0.0","versionEndExcluding":"5.6.3","matchCriteriaId":"D5B8B944-BED3-4FAE-B271-8B9B8B22A15D"}]}]}],"references":[{"url":"https://lists.apache.org/thread/qqfzo3fqcdk4l5496vz95ppvl4ty511q","source":"security@apache.org","tags":["Mailing List","Release Notes"]},{"url":"http://www.openwall.com/lists/oss-security/2026/08/13/5","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}