{"id":"CVE-2026-113789","aliases":[],"cve":{"records":[{"id":"CVE-2026-113789","source":"GitHub_M","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-20T17:39:41.372Z","published":"2026-10-21T15:33:45.801Z","modified":"2026-10-28T16:42:29.030Z"}],"publishers":[{"name":"GitHub_M","role":"CNA","organizationId":"a0819718-46f1-4df5-94e2-005712e83aaa","modified":"2026-10-21T15:33:45.801Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-28T16:42:29.030Z"}],"references":[{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-6vvc-x485-93v7","tags":["x_refsource_CONFIRM"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/pull/4219","tags":["x_refsource_MISC"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/commit/5ef728f0e16d225c853e89f861ba0a67402fe3f2","tags":["x_refsource_MISC"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.0","tags":["x_refsource_MISC"],"source":"GitHub_M"}],"weaknesses":[{"id":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","source":"GitHub_M"},{"id":"CWE-407","description":"CWE-407: Inefficient Algorithmic Complexity","source":"GitHub_M"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-28T16:42:20.604011Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"pypdf: Possible long runtimes/large memory usage when retrieving form fields","titleSource":"GitHub_M","descriptionSource":"GitHub_M","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF that causes large memory usage or long runtimes when an application retrieves the document's form fields. This issue is fixed in version 6.21.0.","score":6,"severity":"medium","published":"2026-10-21T15:33:45.801Z","modified":"2026-10-28T16:42:29.030Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"py-pdf","name":"pypdf","platforms":[],"versions":[{"version":"< 6.21.0","status":"affected"}],"cpes":[],"source":"GitHub_M","url":"https://www.cve.org/CVERecord?id=CVE-2026-113789"}],"remediation":[],"references":["https://github.com/py-pdf/pypdf/security/advisories/GHSA-6vvc-x485-93v7","https://github.com/py-pdf/pypdf/pull/4219","https://github.com/py-pdf/pypdf/commit/5ef728f0e16d225c853e89f861ba0a67402fe3f2","https://github.com/py-pdf/pypdf/releases/tag/6.21.0"],"sources":[{"name":"CVE","id":"CVE-2026-113789","modified":"2026-10-28T16:42:29.030Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-113789"}],"assessments":[{"source":"GitHub_M","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6}],"sourceAffected":[],"observedAt":"2026-10-29T14:32:40.687Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:05:32.453Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-28T17:05:31.575Z","attemptedAt":"2026-10-28T17:05:31.575Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-28T17:05:31.081Z","attemptedAt":"2026-10-28T17:05:31.081Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T17:05:31.832Z","attemptedAt":"2026-10-28T17:05:31.832Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-28T17:05:31.829Z","attemptedAt":"2026-10-28T17:05:31.829Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-6vvc-x485-93v7","url":"https://github.com/advisories/GHSA-6vvc-x485-93v7","modified":"2026-10-22T16:50:09Z","checkedAt":"2026-10-28T17:05:31.081Z"},{"source":"NVD","id":"CVE-2026-113789","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-113789","modified":"2026-10-22T16:46:48.920","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/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","checkedAt":"2026-10-28T17:05:31.575Z"},{"source":"FIRST EPSS","id":"CVE-2026-113789","url":"https://www.first.org/epss/","probability":0.00392,"percentile":0.33198,"date":"2026-10-28","checkedAt":"2026-10-28T17:05:31.829Z"},{"source":"ENISA EUVD","id":"EUVD-2026-107327","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-107327","modified":"Oct 28, 2026, 4:42:29 PM","score":6,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-28T17:05:31.832Z"}],"aiSummary":{"text":"pypdf versions prior to 6.21.0 may experience large memory usage or long runtimes when retrieving form fields from a crafted PDF. An attacker can cause this issue. The weakness is related to uncontrolled resource consumption and inefficient algorithmic complexity.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:05:34.230Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-113789"}]}}