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[USN-7753-1] xmltodict vulnerability

Posted on 17 September 2025
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7753-1
September 16, 2025

python-xmltodict vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.04
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

xmltodict could be made to crash or run programs if it received specially
crafted input.

Software Description:
- python-xmltodict: Makes working with XML feel like you are working with JSON

Details:

Camilo Vera discovered that xmltodict parsed maliciously crafted XML input,
contrary to expectations. An attacker could possibly use this issue to
cause a denial of service, obtain sensitive information, or execute
arbitrary code.

Update instructions:

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

Ubuntu 25.04
python3-xmltodict 0.13.0-1ubuntu0.25.04.1

Ubuntu 24.04 LTS
python3-xmltodict 0.13.0-1ubuntu0.24.04.1

Ubuntu 22.04 LTS
python3-xmltodict 0.12.0-2ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
python-xmltodict 0.12.0-1ubuntu0.1~esm1
Available with Ubuntu Pro
python3-xmltodict 0.12.0-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
python-xmltodict 0.11.0-1ubuntu0.1~esm1
Available with Ubuntu Pro
python3-xmltodict 0.11.0-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
python-xmltodict 0.9.2-3ubuntu0.1~esm1
Available with Ubuntu Pro
python3-xmltodict 0.9.2-3ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-7753-1
CVE-2025-9375

Package Information:
https://launchpad.net/ubuntu/+source/python-xmltodict/0.13.0-1ubuntu0.25.04.1
https://launchpad.net/ubuntu/+source/python-xmltodict/0.13.0-1ubuntu0.24.04.1

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