{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-119207","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-29T16:04:48.729Z","datePublished":"2026-10-29T20:38:54.611Z","dateUpdated":"2026-10-30T17:12:40.743Z"},"containers":{"cna":{"title":"pypdf: Possible large memory usage for exceptions in strict mode","problemTypes":[{"descriptions":[{"cweId":"CWE-400","lang":"en","description":"CWE-400: Uncontrolled Resource Consumption","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-405","lang":"en","description":"CWE-405: Asymmetric Resource Consumption (Amplification)","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vqv-7265-gm2w","tags":["x_refsource_CONFIRM"],"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-4vqv-7265-gm2w"},{"name":"https://github.com/py-pdf/pypdf/pull/4265","tags":["x_refsource_MISC"],"url":"https://github.com/py-pdf/pypdf/pull/4265"},{"name":"https://github.com/py-pdf/pypdf/commit/64270258c0eced720f7960aecf8cef31afd39f8d","tags":["x_refsource_MISC"],"url":"https://github.com/py-pdf/pypdf/commit/64270258c0eced720f7960aecf8cef31afd39f8d"},{"name":"https://github.com/py-pdf/pypdf/releases/tag/6.21.3","tags":["x_refsource_MISC"],"url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.3"}],"affected":[{"vendor":"py-pdf","product":"pypdf","versions":[{"version":"< 6.21.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-29T20:38:54.611Z"},"descriptions":[{"lang":"en","value":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.3, pypdf can consume excessive memory when strict mode loads a crafted invalid PDF dictionary. Nested parsing failures add repeated exception text to newly raised errors, allowing a small malformed dictionary to amplify into very large error messages. This issue is fixed in version 6.21.3."}],"source":{"advisory":"GHSA-4vqv-7265-gm2w","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T17:12:29.821934Z","id":"CVE-2026-119207","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-30T17:12:40.743Z"}}]}}