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[USN-8247-1] OWSLib vulnerability

Posted on 07 May 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8247-1
May 07, 2026

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

OWSLib could be made to expose sensitive information.

Software Description:
- owslib: Client library for Open Geospatial (OGC) web services

Details:

It was discovered that OWSLib did not properly disable entity resolution
within its XML parser. An attacker could possibly use this issue to read
arbitrary files via a crafted XML payload.

Update instructions:

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

Ubuntu 22.04 LTS
python3-owslib 0.25.0-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 20.04 LTS
python3-owslib 0.19.1-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 18.04 LTS
python-owslib 0.16.0-1ubuntu0.1~esm1
Available with Ubuntu Pro
python3-owslib 0.16.0-1ubuntu0.1~esm1
Available with Ubuntu Pro

Ubuntu 16.04 LTS
python-owslib 0.10.3-1ubuntu0.1~esm1
Available with Ubuntu Pro
python3-owslib 0.10.3-1ubuntu0.1~esm1
Available with Ubuntu Pro

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

References:
https://ubuntu.com/security/notices/USN-8247-1
CVE-2023-27476

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