{"id":"CVE-2026-115585","aliases":[],"cve":{"records":[{"id":"CVE-2026-115585","source":"GitHub_M","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-22T22:53:15.238Z","published":"2026-10-23T19:31:52.598Z","modified":"2026-10-30T15:56:32.681Z"}],"publishers":[{"name":"GitHub_M","role":"CNA","organizationId":"a0819718-46f1-4df5-94e2-005712e83aaa","modified":"2026-10-23T19:31:52.598Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-30T15:56:32.681Z"}],"references":[{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-jr96-gvgh-j3r4","tags":["x_refsource_CONFIRM"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/pull/4240","tags":["x_refsource_MISC"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/commit/68a0e5046cc9e14a6c24a21a713f3c7fbde18b4b","tags":["x_refsource_MISC"],"source":"GitHub_M"},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.21.2","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":"2026-10-30T15:56:24.413370Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"pypdf: Possible long runtimes for repeated malformed cross-reference entries (Follow-up)","titleSource":"GitHub_M","descriptionSource":"GitHub_M","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an incomplete remediation for repeated malformed cross-reference entries in GHSA-55h5-xmcq-c37v could still trigger a complete PDF stream reload during each recovery attempt even when a recovery cache was present, causing crafted cross-reference streams to produce long runtimes. This issue is fixed in version 6.21.2.","score":7.1,"severity":"high","published":"2026-10-23T19:31:52.598Z","modified":"2026-10-30T15:56:32.681Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"py-pdf","name":"pypdf","platforms":[],"versions":[{"version":"< 6.21.2","status":"affected"}],"cpes":[],"source":"GitHub_M","url":"https://www.cve.org/CVERecord?id=CVE-2026-115585"}],"remediation":[],"references":["https://github.com/py-pdf/pypdf/security/advisories/GHSA-jr96-gvgh-j3r4","https://github.com/py-pdf/pypdf/pull/4240","https://github.com/py-pdf/pypdf/commit/68a0e5046cc9e14a6c24a21a713f3c7fbde18b4b","https://github.com/py-pdf/pypdf/releases/tag/6.21.2"],"sources":[{"name":"CVE","id":"CVE-2026-115585","modified":"2026-10-30T15:56:32.681Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115585"}],"assessments":[{"source":"GitHub_M","vector":"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","score":7.1}],"sourceAffected":[],"observedAt":"2026-10-30T17:19:28.720Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T14:10:32.801Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-10-30T17:25:39.611Z","attemptedAt":"2026-10-30T17:25:39.611Z"},{"source":"GHSA","status":"available","checkedAt":"2026-10-30T17:25:38.638Z","attemptedAt":"2026-10-30T17:25:38.638Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-30T17:25:39.897Z","attemptedAt":"2026-10-30T17:25:39.897Z"},{"source":"EPSS","status":"available","checkedAt":"2026-10-30T17:25:39.147Z","attemptedAt":"2026-10-30T17:25:39.147Z"}],"evidence":[{"source":"GitHub Advisory Database","id":"GHSA-jr96-gvgh-j3r4","url":"https://github.com/advisories/GHSA-jr96-gvgh-j3r4","modified":"2026-10-23T20:54:28Z","checkedAt":"2026-10-30T17:25:38.638Z"},{"source":"FIRST EPSS","id":"CVE-2026-115585","url":"https://www.first.org/epss/","probability":0.0041,"percentile":0.35228,"date":"2026-10-30","checkedAt":"2026-10-30T17:25:39.147Z"},{"source":"NVD","id":"CVE-2026-115585","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115585","modified":"2026-10-30T16:17:40.490","score":7.1,"vector":"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/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":"2026-10-30T17:25:39.611Z"},{"source":"ENISA EUVD","id":"EUVD-2026-109130","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-109130","modified":"Oct 23, 2026, 7:31:52 PM","score":7.1,"vector":"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","checkedAt":"2026-10-30T17:25:39.897Z"}],"aiSummary":{"text":"pypdf versions prior to 6.21.2 may experience long runtimes due to incomplete remediation for repeated malformed cross-reference entries. An attacker with access to crafted cross-reference streams could trigger 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":"2026-10-31T13:31:10.032Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115585"}]}}