[USN-7503-1] h11 vulnerability
[USN-7504-1] LibreOffice vulnerability
[USN-7503-1] h11 vulnerability
MIME-Version: 1.0
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Ubuntu Security Notice USN-7503-1
May 08, 2025
python-h11 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.10
- Ubuntu 24.04 LTS
Summary:
python-h11 could be made to expose sensitive information over the
network.
Software Description:
- python-h11: Pure-Python, bring-your-own-I/O implementation of HTTP/1.1
Details:
Jeppe Bonde Weikop discovered that h11 incorrectly handled crafted HTTP
requests. A remote attacker could possibly use this issue to smuggle
malicious HTTP requests, which could potentially lead to security
control bypass and information leakage.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.10
python3-h11 0.14.0-1ubuntu0.24.10.1
Ubuntu 24.04 LTS
python3-h11 0.14.0-1ubuntu0.24.04.1
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7503-1
CVE-2025-43859
Package Information:
https://launchpad.net/ubuntu/+source/python-h11/0.14.0-1ubuntu0.24.10.1
https://launchpad.net/ubuntu/+source/python-h11/0.14.0-1ubuntu0.24.04.1
[USN-7504-1] LibreOffice vulnerability
==========================================================================
Ubuntu Security Notice USN-7504-1
May 08, 2025
libreoffice vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
LibreOffice could accept fraudulent digital signatures.
Software Description:
- libreoffice: Office productivity suite
Details:
Juraj Šarinay discovered that LibreOffice incorrectly handled verifying
PDF signatures. A remote attacker could possibly use this issue to
generate PDF files that appear to have a valid signature.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.10
libreoffice 4:24.8.6-0ubuntu0.24.10.2
Ubuntu 24.04 LTS
libreoffice 4:24.2.7-0ubuntu0.24.04.4
Ubuntu 22.04 LTS
libreoffice 1:7.3.7-0ubuntu0.22.04.10
Ubuntu 20.04 LTS
libreoffice 1:6.4.7-0ubuntu0.20.04.15
In general, a standard system update will make all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-7504-1
CVE-2025-2866
Package Information:
https://launchpad.net/ubuntu/+source/libreoffice/4:24.8.6-0ubuntu0.24.10.2
https://launchpad.net/ubuntu/+source/libreoffice/4:24.2.7-0ubuntu0.24.04.4
https://launchpad.net/ubuntu/+source/libreoffice/1:7.3.7-0ubuntu0.22.04.10
https://launchpad.net/ubuntu/+source/libreoffice/1:6.4.7-0ubuntu0.20.04.15
