CVE-2026-59937
High · 7.5CVSS
7.5
EPSS
0.6%
Published
Jul 8, 2026
CISA due date
—
The record
pypdf is a free and open-source pure-python PDF library. Prior to 6.14.0, an attacker can craft a PDF with repeated malformed cross-reference streams that cause pypdf to spend long runtimes recovering broken cross-reference table entries. This issue is fixed in version 6.14.0.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
- CVE-2026-113795 pypdf is a free and open-source pure-python PDF library. CWE-400
- CVE-2026-83400 Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise… CWE-400
- CVE-2026-112400 Pillow is a Python imaging library. CWE-400
- CVE-2026-111766 markdown-it is a Markdown parser. CWE-400
- CVE-2026-111759 markdown-it is a Markdown parser. CWE-400
- CVE-2025-52290 A NULL pointer dereference in the avpriv_h264_has_num_reorder_frames function of Ffmpeg… CWE-400
- CVE-2026-111066 AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. CWE-400
- CVE-2026-59951 The MCP Python SDK, called mcp on PyPI, is a Python implementation of the Model Context… CWE-400