Ubuntu 6931 Published by

Two separate security issues have been discovered affecting various versions of Ubuntu and its derivatives. The first issue, related to runc vulnerabilities (USN-7851-1), affects Ubuntu 25.10, 25.04, 24.04 LTS, and 22.04 LTS and can be fixed by updating the system to specific package versions. The second issue, related to Django vulnerabilities (USN-7859-1), affects Ubuntu 25.10, 25.04, 24.04 LTS, 22.04 LTS, and 20.04 LTS.

[USN-7851-1] runC vulnerabilities
[USN-7859-1] Django vulnerabilities




[USN-7851-1] runC vulnerabilities


==========================================================================
Ubuntu Security Notice USN-7851-1
November 04, 2025

runc-app, runc-stable vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

Several security issues were fixed in runC.

Software Description:
- runc-app: Open Container Project
- runc-stable: Open Container Project

Details:

Lei Wang and Li Fubang discovered that runC incorrectly handled masked
paths. An attacker could possibly replace a container's /dev/null
with a symlink to some other procfs file and possibly escape a container.
(CVE-2025-31133)

Lei Wang and Li Fubang discovered that runC incorrectly handled the
/dev/console bind-mounts. An attacker could potentially exploit this issue
to build-mount a symlink and escape a container. (CVE-2025-52565)

Li Fubang and Tõnis Tiigi discovered that the fix for CVE-2019-16884 was
incomplete. An attacker could possibly use this issue to cause a denial of
service or escape the container. (CVE-2025-52881)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
runc 1.3.3-0ubuntu1~25.10.2
runc-stable 1.3.3-0ubuntu1~25.10.2

Ubuntu 25.04
runc 1.3.3-0ubuntu1~25.04.2

Ubuntu 24.04 LTS
runc 1.3.3-0ubuntu1~24.04.2

Ubuntu 22.04 LTS
runc 1.3.3-0ubuntu1~22.04.2

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
https://ubuntu.com/security/notices/USN-7851-1
CVE-2025-31133, CVE-2025-52565, CVE-2025-52881

Package Information:
https://launchpad.net/ubuntu/+source/runc-app/1.3.3-0ubuntu1~25.10.2
https://launchpad.net/ubuntu/+source/runc-stable/1.3.3-0ubuntu1~25.10.2
https://launchpad.net/ubuntu/+source/runc-app/1.3.3-0ubuntu1~25.04.2
https://launchpad.net/ubuntu/+source/runc-app/1.3.3-0ubuntu1~24.04.2
https://launchpad.net/ubuntu/+source/runc-app/1.3.3-0ubuntu1~22.04.2



[USN-7859-1] Django vulnerabilities


==========================================================================
Ubuntu Security Notice USN-7859-1
November 05, 2025

python-django vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

Django could be made to run programs if it received specially crafted
network traffic.

Software Description:
- python-django: High-level Python web development framework

Details:

It was discovered that Django incorrectly handled certain characters in
queries. An attacker could possibly use this issue to execute arbitrary SQL
commands.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
python3-django 3:5.2.4-1ubuntu2.1

Ubuntu 25.04
python3-django 3:4.2.18-1ubuntu1.6

Ubuntu 24.04 LTS
python3-django 3:4.2.11-1ubuntu1.12

Ubuntu 22.04 LTS
python3-django 2:3.2.12-2ubuntu1.23

Ubuntu 20.04 LTS
python3-django 2:2.2.12-1ubuntu0.29+esm5
Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
https://ubuntu.com/security/notices/USN-7859-1
CVE-2025-64459

Package Information:
https://launchpad.net/ubuntu/+source/python-django/3:5.2.4-1ubuntu2.1
https://launchpad.net/ubuntu/+source/python-django/3:4.2.18-1ubuntu1.6
https://launchpad.net/ubuntu/+source/python-django/3:4.2.11-1ubuntu1.12
https://launchpad.net/ubuntu/+source/python-django/2:3.2.12-2ubuntu1.23