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CVE-2025-62707

25
FAUCET Score

CVE-2025-62707 describes an infinite loop vulnerability in the pypdf library, affecting versions prior to 6.1.3. An attacker can trigger this denial-of-service condition by crafting a malicious PDF containing an inline image with a DCTDecode filter, which then causes the pypdf parser to loop indefinitely when processing the page's content stream. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity and high availability impact, but no confidentiality or integrity impact. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 6.1.3CPE matchmatch criteria
cpe:2.3:a:pypdf_project:pypdf:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 4.0

6.6MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
NONE
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
UNREPORTED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 13th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: pypdfFixed in: 6.1.3
redhatpatch availablevia redhat_api
Product: Red Hat Ansible Automation Platform 2.5Fixed in: ansible-automation-platform-25/lightspeed-chatbot-rhel8:sha256:05fc1db58b19d1f19feb366d937677e5d0ec184827c1a9b7ddf3532a65c56657
View patch
redhatno patchvia redhat_api
Product: OpenShift LightspeedFixed in: openshift-lightspeed/lightspeed-service-api-rhel9
redhatno patchvia redhat_api
Product: OpenShift LightspeedFixed in: openshift-lightspeed-tech-preview/lightspeed-rag-tool-rhel9
redhatno patchvia redhat_api
Product: Red Hat OpenShift AI (RHOAI)Fixed in: rhoai/odh-llama-stack-core-rhel9

Vendor Advisories (2)

redhatCVE-2025-62707Moderate

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

Oct 22, 2025
pipGHSA-vr63-x8vc-m265medium

pypdf possibly loops infinitely when reading DCT inline images without EOF marker

Oct 22, 2025

References

github.com / py-pdf/pypdf/commit/f2864d6dd9bac7cecd3f4f54308b25ebbfa178f8
Patch
github.com / py-pdf/pypdf/pull/3501
Patch
github.com / py-pdf/pypdf/releases/tag/6.1.3
Release Notes
github.com / py-pdf/pypdf/security/advisories/GHSA-vr63-x8vc-m265
Third Party Advisory