USN-6841-2: PHP vulnerability

Published Sep 9, 2024
·
Updated

USN-6841-1 fixed a vulnerability in PHP. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that PHP could early return in the filtervar function resulting in invalid user information being treated as valid user information. An attacker could possibly use this issue to expose raw user input information.

Affected Software

20 affected componentsFixes available
All of the following
ubuntu/libapache2-mod-php7.2<7.2.24-0ubuntu0.18.04.17+esm5
7.2.24-0ubuntu0.18.04.17+esm5
Ubuntu Ubuntu=18.04
All of the following
ubuntu/php7.2<7.2.24-0ubuntu0.18.04.17+esm5
7.2.24-0ubuntu0.18.04.17+esm5
Ubuntu Ubuntu=18.04
All of the following
ubuntu/php7.2-cgi<7.2.24-0ubuntu0.18.04.17+esm5
7.2.24-0ubuntu0.18.04.17+esm5
Ubuntu Ubuntu=18.04
All of the following
ubuntu/php7.2-cli<7.2.24-0ubuntu0.18.04.17+esm5
7.2.24-0ubuntu0.18.04.17+esm5
Ubuntu Ubuntu=18.04
All of the following
ubuntu/php7.2-fpm<7.2.24-0ubuntu0.18.04.17+esm5
7.2.24-0ubuntu0.18.04.17+esm5
Ubuntu Ubuntu=18.04
All of the following
ubuntu/libapache2-mod-php7.0<7.0.33-0ubuntu0.16.04.16+esm11
7.0.33-0ubuntu0.16.04.16+esm11
Ubuntu Ubuntu=16.04
All of the following
ubuntu/php7.0<7.0.33-0ubuntu0.16.04.16+esm11
7.0.33-0ubuntu0.16.04.16+esm11
Ubuntu Ubuntu=16.04
All of the following
ubuntu/php7.0-cgi<7.0.33-0ubuntu0.16.04.16+esm11
7.0.33-0ubuntu0.16.04.16+esm11
Ubuntu Ubuntu=16.04
All of the following
ubuntu/php7.0-cli<7.0.33-0ubuntu0.16.04.16+esm11
7.0.33-0ubuntu0.16.04.16+esm11
Ubuntu Ubuntu=16.04
All of the following
ubuntu/php7.0-fpm<7.0.33-0ubuntu0.16.04.16+esm11
7.0.33-0ubuntu0.16.04.16+esm11
Ubuntu Ubuntu=16.04

Event History

Sep 9, 2024
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of USN-6841-2?

USN-6841-2 addresses a vulnerability in PHP that has been assessed to pose potential risks to user information.

2

How do I fix USN-6841-2?

You can resolve the vulnerability by upgrading to the appropriate version of PHP packages recommended in the advisory.

3

Which versions of PHP are affected by USN-6841-2?

USN-6841-2 impacts PHP versions 7.0 and 7.2 on both Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

4

What systems are impacted by USN-6841-2?

The affected systems based on USN-6841-2 include Ubuntu 16.04 LTS and Ubuntu 18.04 LTS installations with vulnerable PHP packages.

5

What packages need to be updated for USN-6841-2?

You need to update the libapache2-mod-php7.0, php7.0, and corresponding packages for PHP 7.0 and 7.2 to address USN-6841-2.

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