CVE-2026-59935
High
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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductPypdf
PublishedJul 8, 2026
First seenJul 8, 2026
Weakness typeCWE-835CWE-835
How to fix
Update
- pypdf_project pypdf6.14.2 or later
- pypdf6.14.2 or later
- py-pdf pypdf6.14.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pypdf_project pypdf | v < 6.14.2 | 6.14.2 |
| pypdfPyPI | v < 6.14.2 | 6.14.2 |
| py-pdf pypdf | v < 6.14.2 | 6.14.2 |
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