CVE-2025-62708

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 large memory usage. This requires parsing the content stream of a page using the LZWDecode filter. This has been fixed in pypdf version 6.1.3.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da	Patch
https://github.com/py-pdf/pypdf/pull/3502	Patch
https://github.com/py-pdf/pypdf/releases/tag/6.1.3	Release Notes
https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*

History

27 Oct 2025, 20:24

Type	Values Removed	Values Added
References	~~() https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da -~~	() https://github.com/py-pdf/pypdf/commit/e51d07807ffcdaf18077b9486dadb3dc05b368da - Patch
References	~~() https://github.com/py-pdf/pypdf/pull/3502 -~~	() https://github.com/py-pdf/pypdf/pull/3502 - Patch
References	~~() https://github.com/py-pdf/pypdf/releases/tag/6.1.3 -~~	() https://github.com/py-pdf/pypdf/releases/tag/6.1.3 - Release Notes
References	~~() https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j -~~	() https://github.com/py-pdf/pypdf/security/advisories/GHSA-jfx9-29x2-rv3j - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
First Time		Pypdf Project Pypdf Project pypdf
CPE		cpe:2.3:a:pypdf_project:pypdf::::::::

22 Oct 2025, 22:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-22 22:15

Updated : 2025-10-27 20:24

NVD link : CVE-2025-62708

Mitre link : CVE-2025-62708

CVE.ORG link : CVE-2025-62708

JSON object : View

Products Affected

pypdf_project

pypdf

CWE

CWE-409

Improper Handling of Highly Compressed Data (Data Amplification)

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