{"id":"CVE-2026-59936","title":"pypdf: pypdf: Denial of Service via crafted PDF inline image (CVE-2026-59936)","summary":"A flaw was found in pypdf, a pure-Python PDF library. A remote attacker can craft a malicious PDF document containing an unterminated inline image within its page content stream. When a user processes this crafted PDF, such as during text …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":["CWE-835","CWE-400"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux AI (RHEL AI) 3","affected":["exploit_intelligence","openshift_lightspeed","ansible_automation_platform 2","enterprise_linux_ai_rhel_ai 3","openshift_ai_rhoai","quay 3"],"patched":["pypdf 6.14.1"],"published":"2026-07-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T11:20:41+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59936.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59936.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-59936"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2498201"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-59936"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59936"},{"url":"https://github.com/py-pdf/pypdf/commit/ec3b14596186c40caca7cf8ab9b2155203e01b5b"},{"url":"https://github.com/py-pdf/pypdf/pull/3891"},{"url":"https://github.com/py-pdf/pypdf/releases/tag/6.14.1"},{"url":"https://github.com/py-pdf/pypdf/security/advisories/GHSA-5xf7-4p34-54qr"},{"url":"https://github.com/py-pdf/pypdf"},{"url":"https://github.com/advisories/GHSA-5xf7-4p34-54qr"}],"tags":["csaf","vex","red-hat","osv","pip","ghsa"],"epss":0.0062,"epssPercentile":0.49483,"aliases":["GHSA-5xf7-4p34-54qr","PYSEC-2026-3612"],"ecosystem":"pip","ingestedAt":"2026-07-23T17:18:58.564Z","slug":"CVE-2026-59936","body":"## Overview\n\nA flaw was found in pypdf, a pure-Python PDF library. A remote attacker can craft a malicious PDF document containing an unterminated inline image within its page content stream. When a user processes this crafted PDF, such as during text extraction, the vulnerability causes an infinite loop, leading to a Denial of Service (DoS) condition. This issue impacts the availability of the pypdf application.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Exploit Intelligence, OpenShift Lightspeed, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, Red Hat OpenShift AI (RHOAI), Red Hat Quay 3 · no fix planned: Exploit Intelligence, OpenShift Lightspeed, Red Hat Ansible Automation Platform 2, Red Hat Enterprise Linux AI (RHEL AI) 3, … · updated 2026-10-15 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-59936.json)\n\n**pypdf: pypdf: Denial of Service via crafted PDF inline image** — rated Moderate by Red Hat. Released 2026-07-08, updated 2026-10-15.\n\nAffected:\n\n- Exploit Intelligence\n- OpenShift Lightspeed\n- Red Hat Ansible Automation Platform 2\n- Red Hat Enterprise Linux AI (RHEL AI) 3\n- Red Hat OpenShift AI (RHOAI)\n- Red Hat Quay 3\n\nNo fix planned:\n\n- Exploit Intelligence\n- OpenShift Lightspeed\n- Red Hat Ansible Automation Platform 2\n- Red Hat Enterprise Linux AI (RHEL AI) 3\n- Red Hat OpenShift AI (RHOAI)\n- Red Hat Quay 3\n\n## Remediation\n\nFix deferred\n\n## Package advisory (CVE-2026-59936)\n\nAffected packages:\n\n- `pypdf < 6.14.1`\n\nPatched in:\n\n- `pypdf 6.14.1`\n\nSource: https://osv.dev/vulnerability/GHSA-5xf7-4p34-54qr","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":222217,"id":"CVE-2026-59936","ts":1792065086264,"field":"cvss","old":null,"new":"6.5"},{"seq":222216,"id":"CVE-2026-59936","ts":1792065086264,"field":"severity","old":"high","new":"medium"}]}