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VULNERABILITIES

CVE-2026-59935 Details

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.14.2, an attacker can craft a PDF with a page content stream containing a not terminated inline image that uses the ASCII85 or ASCIIHex filters, causing an infinite loop during parsing such as when extracting page text. This issue is fixed in version 6.14.2.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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/5a33a46416aa1ae6c025ff90a3cca57631fdafd2 [email protected]Patch
https://github.com/py-pdf/pypdf/pull/3892 [email protected]Issue TrackingPatch
https://github.com/py-pdf/pypdf/releases/tag/6.14.2 [email protected]ProductRelease Notes
https://github.com/py-pdf/pypdf/security/advisories/GHSA-g867-7843-wf8q [email protected]PatchVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-835Loop with Unreachable Exit Condition ('Infinite Loop')[email protected]

Affected Products

ProductVersions
pypdf project pypdf
< 6.14.2

CPE

  • cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-59935
NVD Published Date:
Jul 8, 2026
NVD Last Modified:
Jul 9, 2026
Source:
[email protected]
CVE-2026-59935 Details - Not Deferred