Resource Exhaustion Affecting pypdf2 package, versions *


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.62% (48th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-PYPDF2-18592216
  • published8 Aug 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

CVE-2026-59937  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

There is no fixed version for Echo:latest pypdf2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pypdf2 package and not the pypdf2 package as distributed by Echo. See How to fix? for Echo:latest relevant fixed versions and status.

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.