vulnerability

Amazon Linux AMI 2: CVE-2024-23807: Security patch for xerces-c (ALAS-2024-2476)

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Feb 29, 2024
Added
Mar 5, 2024
Modified
Jan 28, 2025

Description

The Apache Xerces C++ XML parser on versions 3.0.0 before 3.2.5 contains a use-after-free error triggered during the scanning of external DTDs.

Users are recommended to upgrade to version 3.2.5 which fixes the issue, or mitigate the issue by disabling DTD processing. This can be accomplished via the DOM using a standard parser feature, or via SAX using the XERCES_DISABLE_DTD environment variable.

This issue has been disclosed before as CVE-2018-1311, but unfortunately that advisory incorrectly stated the issue would be fixed in version 3.2.3 or 3.2.4.

Solutions

amazon-linux-ami-2-upgrade-xerces-camazon-linux-ami-2-upgrade-xerces-c-debuginfoamazon-linux-ami-2-upgrade-xerces-c-develamazon-linux-ami-2-upgrade-xerces-c-doc
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