{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-25T12:13:37.243","vulnerabilities":[{"cve":{"id":"CVE-2026-22690","sourceIdentifier":"security-advisories@github.com","published":"2026-01-10T05:16:01.847","lastModified":"2026-06-17T10:20:14.440","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"pypdf is a free and open-source pure-python PDF library. Prior to version 6.6.0, pypdf has possible long runtimes for missing /Root object with large /Size values. An attacker who uses this vulnerability can craft a PDF which leads to possibly long runtimes for actually invalid files. This can be achieved by omitting the /Root entry in the trailer, while using a rather large /Size value. Only the non-strict reading mode is affected. This issue has been patched in version 6.6.0."},{"lang":"es","value":"pypdf es una biblioteca PDF de Python puro, gratuita y de código abierto. Antes de la versión 6.6.0, pypdf tiene posibles tiempos de ejecución largos para objetos /Root faltantes con valores /Size grandes. Un atacante que utiliza esta vulnerabilidad puede crear un PDF que conduce a posibles tiempos de ejecución largos para archivos realmente inválidos. Esto se puede lograr omitiendo la entrada /Root en el tráiler, mientras se utiliza un valor /Size bastante grande. Solo el modo de lectura no estricto se ve afectado. Este problema ha sido parcheado en la versión 6.6.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"py-pdf","product":"pypdf","versions":[{"version":"< 6.6.0","status":"affected"}]}]}],"metrics":{"cvssMetricV40":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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","baseScore":2.7,"baseSeverity":"LOW","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"UNREPORTED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","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":"2026-01-12T17:06:53.596988Z","id":"CVE-2026-22690","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.0","matchCriteriaId":"9ADBA6D3-BBC5-422A-A65F-87D6BE1A7BC9"}]}]}],"references":[{"url":"https://github.com/py-pdf/pypdf/commit/294165726b646bb7799be1cc787f593f2fdbcf45","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/py-pdf/pypdf/pull/3594","source":"security-advisories@github.com","tags":["Issue Tracking","Patch"]},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.6.0","source":"security-advisories@github.com","tags":["Release Notes"]},{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-4xc4-762w-m6cg","source":"security-advisories@github.com","tags":["Mitigation","Vendor Advisory"]}]}}]}