PT-2026-54003 · Pypi+1 · Pypdf+1

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CVE-2026-57204

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Published

2026-06-18

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Updated

2026-08-17

CVSS v4.0

6.9

Medium

VectorAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions pypdf versions prior to 6.13.3
Description A flaw in the library allows a maliciously crafted PDF to cause a Denial of Service (DoS). This occurs when the system parses a content stream that lacks a /Length value, causing the MAX DECLARED STREAM LENGTH limit to be ignored and resulting in excessive memory consumption.
Recommendations Update to version 6.13.3.

Exploit

Fix

DoS

Resource Exhaustion

Allocation of Resources Without Limits

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Weakness Enumeration

Related Identifiers

CLEANSTART-2026-EH47852
CLEANSTART-2026-GN02455
CVE-2026-57204
GHSA-JM82-FX9C-MX94

Affected Products

Red Os
Pypdf