# Py-Pdf Pypdf vulnerabilities Source: https://junglewise.ai/threats/technologies/py-pdf-pypdf Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/py-pdf-pypdf.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 42 vulnerabilities in Py-Pdf Pypdf: 0 in the last 7 days and 21 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-119209, was published on 29 October 2026. 13 vulnerabilities in the last four weeks, up 63% on the four before (8). ## Counts - Last 7 days: 0 - Last 30 days: 13 - Last 90 days: 21 - All time: 42 (0 critical, 0 exploited in the wild) ## About Py-Pdf Pypdf Python library for reading, writing, and manipulating PDF documents. ## Latest Py-Pdf Pypdf vulnerabilities - [CVE-2026-119209: pypdf memory exhaustion in cross-reference stream parsing](https://junglewise.ai/threats/cve-2026-119209-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119207: pypdf excessive memory consumption in strict mode PDF parsing](https://junglewise.ai/threats/cve-2026-119207-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119206: pypdf denial of service via crafted page labels](https://junglewise.ai/threats/cve-2026-119206-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119205: pypdf infinite loop in DictionaryObject cloning](https://junglewise.ai/threats/cve-2026-119205-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119204: pypdf excessive memory consumption in PDF page tree parsing](https://junglewise.ai/threats/cve-2026-119204-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-115585: pypdf incomplete remediation causing excessive PDF stream reloads](https://junglewise.ai/threats/cve-2026-115585-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-115572: pypdf repeated PDF object reference denial of service](https://junglewise.ai/threats/cve-2026-115572-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-113795: pypdf memory exhaustion via crafted PDF streams](https://junglewise.ai/threats/cve-2026-113795-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-113794: pypdf infinite loop in PDF cross-reference table parsing](https://junglewise.ai/threats/cve-2026-113794-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-113793: pypdf infinite loop in cyclic PDF tree removal](https://junglewise.ai/threats/cve-2026-113793-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-113792: pypdf infinite loop in find_outline_item with cyclic PDF outline](https://junglewise.ai/threats/cve-2026-113792-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-113790: pypdf resource exhaustion in PDF parsing](https://junglewise.ai/threats/cve-2026-113790-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-113789: pypdf denial of service via malicious form fields](https://junglewise.ai/threats/cve-2026-113789-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (medium, CVSS 4, published 21 Oct 2026) - [CVE-2026-103000: pypdf denial of service in alphabetical page label processing](https://junglewise.ai/threats/cve-2026-103000-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102999: pypdf repeated attachment parsing denial of service](https://junglewise.ai/threats/cve-2026-102999-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102998: pypdf denial of service in appearance stream generation](https://junglewise.ai/threats/cve-2026-102998-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102997: pypdf denial of service in FlateDecode decompression](https://junglewise.ai/threats/cve-2026-102997-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102996: pypdf excessive memory consumption via TrueType/Type1 font /Widths](https://junglewise.ai/threats/cve-2026-102996-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102995: pypdf memory exhaustion in ToUnicode font mapping parsing](https://junglewise.ai/threats/cve-2026-102995-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102994: pypdf denial of service in PDF object token parsing](https://junglewise.ai/threats/cve-2026-102994-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-102993: pypdf denial of service via crafted PDF page labels](https://junglewise.ai/threats/cve-2026-102993-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) - [CVE-2026-71870: pypdf is a free and open-source pure-python PDF library. Prior to 6.15.0, a crafted PDF can cause large memory consumption…](https://junglewise.ai/threats/cve-2026-71870-pypdf-uncontrolled-resource-consumption-in-tounicode-streams) (medium, CVSS 4, published 7 Aug 2026) - [CVE-2026-71852: pypdf excessive iteration in CID font width parsing](https://junglewise.ai/threats/cve-2026-71852-pypdf-excessive-iteration-in-cid-font-width-parsing) (medium, CVSS 4, published 7 Aug 2026) - [CVE-2026-57204: py-pdf pypdf denial of service via uncontrolled memory consumption](https://junglewise.ai/threats/cve-2026-57204-py-pdf-pypdf-denial-of-service-via-uncontrolled-memory) (medium, CVSS 4, published 30 Jun 2026) - [CVE-2026-41314: PYSEC-2026-3026 - pypdf: Manipulated FlateDecode image dimensions can exhaust RAM](https://junglewise.ai/threats/cve-2026-41314-pypdf-manipulated-flatedecode-image-dimensions-can-exhaust-ram) (medium, CVSS 6.5, published 22 Apr 2026) ## Most severe Py-Pdf Pypdf vulnerabilities - [CVE-2026-33699: PYSEC-2026-3012 - pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream](https://junglewise.ai/threats/cve-2026-33699-pypdf-possible-infinite-loop-during-recovery-attempts-in) (high, CVSS 7.5, published 27 Mar 2026) - [CVE-2026-27888: PYSEC-2026-3027 - pypdf: Manipulated FlateDecode XFA streams can exhaust RAM](https://junglewise.ai/threats/cve-2026-27888-pypdf-manipulated-flatedecode-xfa-streams-can-exhaust-ram) (high, CVSS 7.5, published 26 Feb 2026) - [CVE-2026-27628: PYSEC-2026-3005 - pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams](https://junglewise.ai/threats/cve-2026-27628-pypdf-infinite-loop-in-circular-cross-reference-streams) (high, CVSS 7.5, published 25 Feb 2026) - [CVE-2026-115585: pypdf incomplete remediation causing excessive PDF stream reloads](https://junglewise.ai/threats/cve-2026-115585-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-115572: pypdf repeated PDF object reference denial of service](https://junglewise.ai/threats/cve-2026-115572-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 23 Oct 2026) - [CVE-2026-119207: pypdf excessive memory consumption in strict mode PDF parsing](https://junglewise.ai/threats/cve-2026-119207-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119206: pypdf denial of service via crafted page labels](https://junglewise.ai/threats/cve-2026-119206-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119205: pypdf infinite loop in DictionaryObject cloning](https://junglewise.ai/threats/cve-2026-119205-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-119204: pypdf excessive memory consumption in PDF page tree parsing](https://junglewise.ai/threats/cve-2026-119204-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 29 Oct 2026) - [CVE-2026-103000: pypdf denial of service in alphabetical page label processing](https://junglewise.ai/threats/cve-2026-103000-pypdf-is-a-free-and-open-source-pure-python-pdf-library-prior-to) (high, CVSS 4, published 30 Sep 2026) ## Vulnerabilities per week 13 vulnerabilities in the last four weeks, up 63% on the four before (8). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 8 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 8 | 0 | 0 | | 26 Oct 2026 | 5 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Py-Pdf Pypdf vulnerabilities", https://junglewise.ai/threats/technologies/py-pdf-pypdf, 9 November 2026.