Where
AND
-Infinity
0

Trending

Last week
Last month
Last year

ubuntu/pypdf2Quadratic runtime with malformed PDF missing xref marker in pypdf

Risk 38
Severity
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact An attacker who uses this vulnerability can craft a PDF which leads to unexpected long runtime. This quadratic runtime blocks the current process and can utilize a single core of the CPU by 100%. It does not affect memory usage.

Patches https://github.com/py-pdf/pypdf/pull/808

Workarounds Is there a way for users to fix or remediate the vulnerability without upgrading?

References PyPDF2 PR #808 PyPDF2 Issue #582

1 / 3
First published (updated )
CVE-2023-36810

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203