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VULNERABILITIES

CVE-2026-113795 Details

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.0, accessing a crafted PDF stream with a large number of filters or multiple filters that pass around large amounts of data can cause large memory consumption. This issue is fixed in version 6.20.0.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/py-pdf/pypdf/commit/80a84d4be6022d910874ccb0d2365400f3f0e185 [email protected]Patch
https://github.com/py-pdf/pypdf/pull/4173 [email protected]Issue TrackingPatch
https://github.com/py-pdf/pypdf/releases/tag/6.20.0 [email protected]Release Notes
https://github.com/py-pdf/pypdf/security/advisories/GHSA-7mh2-4gg2-979f [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumption[email protected]
CWE-770Allocation of Resources Without Limits or Throttling[email protected]

Affected Products

ProductVersions
py-pdf pypdf
< 6.20.0

CPE

  • cpe:2.3:a:py-pdf:pypdf:*:*:*:*:*:python:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-113795
NVD Published Date:
Oct 21, 2026
NVD Last Modified:
Nov 2, 2026
Source:
[email protected]
CVE-2026-113795 Details - Not Deferred