CVE-2025-62707

7.5 HIGH
Published: October 22, 2025 Modified: October 27, 2025

Description

pypdf is a free and open-source pure-python PDF library. Prior to version 6.1.3, an attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires parsing the content stream of a page which has an inline image using the DCTDecode filter. This has been fixed in pypdf version 6.1.3.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/py-pdf/pypdf/pull/3501
Source: security-advisories@github.com
Patch
https://github.com/py-pdf/pypdf/releases/tag/6.1.3
Source: security-advisories@github.com
Release Notes
https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265
Source: security-advisories@github.com
Third Party Advisory

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
0.1%
24th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

pypdf_project