==========================================================================
Ubuntu Security Notice USN-6579-2
January 16, 2024

xerces-c vulnerability
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 23.04
- Ubuntu 22.04 LTS (Available with Ubuntu Pro)
- Ubuntu 20.04 LTS

Summary:

Xerces-C++ could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- xerces-c: Validating XML parser written in a portable subset of C++

Details:

USN-6579-1 fixed a vulnerability in Xerces-C++. This update provides the
corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04
and Ubuntu 23.10.

Original advisory details:

It was discovered that Xerces-C++ was not properly handling memory
management operations when parsing XML data containing external DTDs,
which could trigger a use-after-free error. If a user or automated system
were tricked into processing a specially crafted XML document, an attacker
could possibly use this issue to cause a denial of service or execute
arbitrary code.

Update instructions:

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

Ubuntu 23.10:
libxerces-c-samples 3.2.4+debian-1ubuntu0.23.10.1
libxerces-c3.2 3.2.4+debian-1ubuntu0.23.10.1

Ubuntu 23.04:
libxerces-c-samples 3.2.4+debian-1ubuntu0.23.04.1
libxerces-c3.2 3.2.4+debian-1ubuntu0.23.04.1

Ubuntu 22.04 LTS (Available with Ubuntu Pro):
libxerces-c-samples 3.2.3+debian-3ubuntu0.1~esm1
libxerces-c3.2 3.2.3+debian-3ubuntu0.1~esm1

Ubuntu 20.04 LTS:
libxerces-c-samples 3.2.2+debian-1ubuntu0.1
libxerces-c3.2 3.2.2+debian-1ubuntu0.1

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

References:
https://ubuntu.com/security/notices/USN-6579-2
https://ubuntu.com/security/notices/USN-6579-1
CVE-2018-1311

Package Information:
https://launchpad.net/ubuntu/+source/xerces-c/3.2.4+debian-1ubuntu0.23.10.1
https://launchpad.net/ubuntu/+source/xerces-c/3.2.4+debian-1ubuntu0.23.04.1
https://launchpad.net/ubuntu/+source/xerces-c/3.2.2+debian-1ubuntu0.1

Ubuntu 6579-2: Xerces-C++ vulnerability

January 16, 2024
Xerces-C++ could be made to crash or run programs if it opened a specially crafted file.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.10 - Ubuntu 23.04 - Ubuntu 22.04 LTS (Available with Ubuntu Pro) - Ubuntu 20.04 LTS Summary: Xerces-C++ could be made to crash or run programs if it opened a specially crafted file. Software Description: - xerces-c: Validating XML parser written in a portable subset of C++ Details: USN-6579-1 fixed a vulnerability in Xerces-C++. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 23.04 and Ubuntu 23.10. Original advisory details: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which could trigger a use-after-free error. If a user or automated system were tricked into processing a specially crafted XML document, an attacker could possibly use this issue to cause a denial of service or execute arbitrary code.

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.10: libxerces-c-samples 3.2.4+debian-1ubuntu0.23.10.1 libxerces-c3.2 3.2.4+debian-1ubuntu0.23.10.1 Ubuntu 23.04: libxerces-c-samples 3.2.4+debian-1ubuntu0.23.04.1 libxerces-c3.2 3.2.4+debian-1ubuntu0.23.04.1 Ubuntu 22.04 LTS (Available with Ubuntu Pro): libxerces-c-samples 3.2.3+debian-3ubuntu0.1~esm1 libxerces-c3.2 3.2.3+debian-3ubuntu0.1~esm1 Ubuntu 20.04 LTS: libxerces-c-samples 3.2.2+debian-1ubuntu0.1 libxerces-c3.2 3.2.2+debian-1ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6579-2

https://ubuntu.com/security/notices/USN-6579-1

CVE-2018-1311

Severity
Ubuntu Security Notice USN-6579-2

Package Information

https://launchpad.net/ubuntu/+source/xerces-c/3.2.4+debian-1ubuntu0.23.10.1 https://launchpad.net/ubuntu/+source/xerces-c/3.2.4+debian-1ubuntu0.23.04.1 https://launchpad.net/ubuntu/+source/xerces-c/3.2.2+debian-1ubuntu0.1

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