Vulnerability/
REDHAT-BUG-2346421

REDHAT-BUG-2346421: Buffer Overflow

Q: What is the severity of REDHAT-BUG-2346421?

The severity of REDHAT-BUG-2346421 is critical due to the potential for remote code execution through stack-based buffer overflow.

Q: How do I fix REDHAT-BUG-2346421?

To fix REDHAT-BUG-2346421, update libxml2 to version 2.12.10 or higher, or to version 2.13.6 or higher.

Q: Which versions of libxml2 are affected by REDHAT-BUG-2346421?

Versions of libxml2 before 2.12.10 and versions between 2.13.0 and 2.13.6 are affected by REDHAT-BUG-2346421.

Q: What type of vulnerability is REDHAT-BUG-2346421?

REDHAT-BUG-2346421 is a stack-based buffer overflow vulnerability located in the xmlSnprintfElements function.

Q: What conditions must be met to exploit REDHAT-BUG-2346421?

Exploitation of REDHAT-BUG-2346421 requires DTD validation to occur for an untrusted document or untrusted DTD.

Published Feb 18, 2025

Updated

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.

Affected Software

1 affected component

XMLSoft Libxml2<2.12.10, >2.13.0<2.13.6

Event History

Feb 18, 2025

Data Sourced

via Red Hat·11:01 PM

DescriptionSeverityAffected Software

Frequently Asked Questions

What is the severity of REDHAT-BUG-2346421?

The severity of REDHAT-BUG-2346421 is critical due to the potential for remote code execution through stack-based buffer overflow.

How do I fix REDHAT-BUG-2346421?

To fix REDHAT-BUG-2346421, update libxml2 to version 2.12.10 or higher, or to version 2.13.6 or higher.

Which versions of libxml2 are affected by REDHAT-BUG-2346421?

Versions of libxml2 before 2.12.10 and versions between 2.13.0 and 2.13.6 are affected by REDHAT-BUG-2346421.

What type of vulnerability is REDHAT-BUG-2346421?

REDHAT-BUG-2346421 is a stack-based buffer overflow vulnerability located in the xmlSnprintfElements function.

What conditions must be met to exploit REDHAT-BUG-2346421?

Exploitation of REDHAT-BUG-2346421 requires DTD validation to occur for an untrusted document or untrusted DTD.

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