USN-3638-1: QPDF vulnerabilities

Published May 7, 2018
·
Updated

It was discovered that QPDF incorrectly handled certain malformed files. A remote attacker could use this issue to cause QPDF to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software

0 affected components

Event History

Feb 20, 2026
Advisory Published
via Ubuntu·12:21 AM
Data Sourced
via Ubuntu·12:21 AM
DescriptionAffected Software

Frequently Asked Questions

1

What is the severity of USN-3638-1?

USN-3638-1 has a severity rating that indicates it can cause denial of service or potential arbitrary code execution.

2

How do I fix USN-3638-1?

To fix USN-3638-1, upgrade to the updated package versions 8.0.2-3~17.10.1, 8.0.2-3~16.04.1, or 8.0.2-3~14.04.1 for libqpdf21 and qpdf.

3

Are all versions of Ubuntu affected by USN-3638-1?

No, only specific versions of Ubuntu, including 14.04, 16.04, and 17.10, with the affected packages are vulnerable to USN-3638-1.

4

What is the potential impact of USN-3638-1?

The potential impact of USN-3638-1 includes application crashes leading to a denial of service and the possibility of arbitrary code execution.

5

Which packages are affected by USN-3638-1?

The affected packages in USN-3638-1 are libqpdf21 and qpdf in the specified Ubuntu versions.

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