PT-2026-51380 · Pypi+1 · Pypdf+1

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CVE-2026-54651

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Published

2026-06-22

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Updated

2026-08-17

CVSS v4.0

6.9

Medium

VectorAV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.13.1
Description A flaw exists where an attacker can craft a PDF file that triggers an infinite loop. This occurs when merging a file containing threads or articles into a writer.
Recommendations Update to version 6.13.1.

Exploit

Fix

DoS

Infinite Loop

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Weakness Enumeration

Related Identifiers

CLEANSTART-2026-EH47852
CLEANSTART-2026-GN02455
CVE-2026-54651
ECHO-FB4E-0A86-0A3C
GHSA-G9XF-7F8Q-9MCJ
OPENSUSE-SU-2026:11113-1
PYSEC-2026-3018

Affected Products

Red Os
Pypdf