REDHAT-BUG-2235864: Buffer Overflow

Published Aug 29, 2023
·
Updated

Xmlsoft Libxml2 v2.11.0 was discovered to contain a global buffer overflow via the xmlSAX2StartElement() function at /libxml2/SAX2.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via supplying a crafted XML file.

https://gitlab.gnome.org/GNOME/libxml2/-/issues/535

Affected Software

1 affected component
XMLSoft Libxml2

Event History

Aug 29, 2023
Data Sourced
via Red Hat·10:09 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is the severity of REDHAT-BUG-2235864?

The severity of REDHAT-BUG-2235864 is classified as critical due to the potential exploitation leading to Denial of Service.

2

How do I fix REDHAT-BUG-2235864?

To fix REDHAT-BUG-2235864, update to a patched version of Xmlsoft Libxml2 that addresses the global buffer overflow.

3

What could an attacker achieve by exploiting REDHAT-BUG-2235864?

By exploiting REDHAT-BUG-2235864, an attacker can cause Denial of Service by supplying a specially crafted XML file.

4

Which version of Xmlsoft Libxml2 is affected by REDHAT-BUG-2235864?

Xmlsoft Libxml2 version 2.11.0 is specifically affected by the vulnerability identified as REDHAT-BUG-2235864.

5

What function in Xmlsoft Libxml2 is responsible for the REDHAT-BUG-2235864 vulnerability?

The xmlSAX2StartElement() function in Xmlsoft Libxml2 is responsible for the vulnerability identified as REDHAT-BUG-2235864.

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