Upstream information

CVE-2026-33123 at MITRE

Description

pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.1 allow an attacker to craft a malicious PDF which leads to long runtimes and/or large memory usage. Exploitation requires accessing an array-based stream with many entries. This issue has been fixed in version 6.9.1.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having moderate severity.

CVSS v3 Scores
CVSS detail National Vulnerability Database
Base Score 6.5
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
CVSSv3 Version 3.1
CVSS v4 Scores
CVSS detail CNA (GitHub)
Base Score 5.1
Vector CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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 Local
Attack Complexity Low
Attack Requirements None
Privileges Required None
User Interaction None
Vulnerable System Confidentiality Impact None
Vulnerable System Integrity Impact None
Vulnerable System Availability Impact Low
Subsequent System Confidentiality Impact None
Subsequent System Integrity Impact None
Subsequent System Availability Impact None
CVSSv4 Version 4.0
SUSE Bugzilla entry: 1259992 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Leap 16.0
  • python313-PyPDF2 >= 2.11.1-bp160.5.1
Patchnames:
openSUSE-Leap-16.0-packagehub-182
openSUSE Tumbleweed
  • python311-PyPDF2 >= 2.11.1-8.1
  • python311-pypdf >= 6.9.1-1.1
  • python313-PyPDF2 >= 2.11.1-8.1
  • python313-pypdf >= 6.9.1-1.1
Patchnames:
openSUSE-Tumbleweed-2026-10402
openSUSE-Tumbleweed-2026-10403


SUSE Timeline for this CVE

CVE page created: Fri Mar 20 12:00:56 2026
CVE page last modified: Wed Apr 8 21:50:10 2026