CVE-2026-59937
MEDIUM
MEDIUM
Priority: 0.04
BB Relevance:
74/100
Published: 2026-07-08
Modified: 2026-10-25
First seen: 2026-10-29
Status: active
Attack Surface
Network
Low Complexity
No Auth
No Interaction
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
None
S:
X
AT:
None
VC:
None
VI:
None
VA:
Low
Description
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.
Weakness Classification (1)
Affected Software (1)
| Vendor | Product | Version |
|---|---|---|
| pypdf_project | pypdf | < 6.14.0 |
References & Advisories (4)
Product
Release Notes
Patch
Vendor Advisory
Patch
Issue Tracking
Patch