{"id":"CVE-2026-113792","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-113792","generatedAt":"2026-10-28T02:24:17.985Z","title":"pypdf is a free and open-source pure-python PDF library.","description":"pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, calling PdfWriter.find_outline_item on a crafted PDF with a cyclic outline hierarchy can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.","published":"2026-10-21T16:17:27.000Z","lastModified":"2026-10-23T16:16:51.000Z","status":"Undergoing Analysis","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"4.0","score":6,"severity":"MEDIUM","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/M"},"cwe":["CWE-835"],"affected":[],"epss":{"score":0.00466,"percentile":0.40075,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00466,"percentile":0.39341}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.47%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T16:17:27.000Z","detail":{"score":"6.0","severity":"MEDIUM","publishedAt":"2026-10-21T16:17:27.173Z"},"summary":"New CVE, medium severity (CVSS 6.0)."}],"references":[{"url":"https://github.com/py-pdf/pypdf/commit/c9c35b4471c2eb5fe078094f6c816e69d4ed25a0","source":"security-advisories@github.com"},{"url":"https://github.com/py-pdf/pypdf/pull/4188","source":"security-advisories@github.com"},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.20.1","source":"security-advisories@github.com"},{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-qfv9-64jg-mh7p","source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-113792","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}