CVE-2026-84311

medium Red Hat
CVSS v3 Base Score
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Published: September 1, 2026 (4 days ago)
Last Modified: September 1, 2026
Vendor: Red Hat
Source: REDHAT

Description

A flaw was found in pypdf, a pure-python PDF library. A remote attacker can exploit this vulnerability by crafting a malicious PDF document containing specially structured XForm objects. Processing this document can lead to excessive iteration, causing the application to consume significant memory and CPU resources, resulting in a Denial of Service (DoS).

CWE

CWE-770

Affected Products

Exploit IntelligenceLightspeed CoreOpenShift LightspeedRed Hat Ansible Automation Platform 2Red Hat Enterprise Linux AI (RHEL AI) 3Red Hat OpenShift AI (RHOAI)Red Hat Quay 3

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com 🔗 github.com