CVE-2025-62707

pypdf affected by possible infinite loop when reading DCT inline images without EOF marker

Published: Oct 22, 2025Updated: Oct 27, 2025 Sources: CVE List NVD GHSA BDUCWE-834

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:NIntegrity

None

A:HAvailability

High

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Weaknesses

CWE-834

Affected Products

Red Hat Inc.

commercial·USaka red hat

Red Hat OpenShift LightspeedOn-prem

Operating Systems / linux-distro

Red Hat Ansible Automation PlatformOn-prem

Operating Systems / linux-distro

Red Hat OpenShift AIOn-prem

Operating Systems / linux-distro

py-pdf

package-ecosystemaka pypdf, pypdf2

pypdfOn-prem

package-ecosystem

oss-project

pypdfLibrary

OSS Libraries / generic-library

ООО «Ред Софт»

commercial·RUaka red soft

РЕД ОСOn-premOS

Operating Systems / linux-distro

Matthew Peveler

aka pypdf2

PyPDF2Library

OSS Libraries

Exploitability

Official Patch Available

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique

Impact

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References

https://github.com/py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265

github.com

https://github.com/py-pdf/pypdf/pull/3501

github.com

https://github.com/py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f8

github.com

and 11 more references View all →

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