libxmljs up to 1.0.11 XML attrs type confusion

Summaryinfo

A vulnerability identified as problematic has been detected in libxmljs up to 1.0.11. This issue affects the function attrs of the component XML Handler. This manipulation causes type confusion. This vulnerability is registered as CVE-2024-34391. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in libxmljs up to 1.0.11. It has been declared as problematic. Affected by this vulnerability is the function attrs of the component XML Handler. The manipulation with an unknown input leads to a type confusion vulnerability. The CWE definition for the vulnerability is CWE-843. The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

libxmljs is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking a function on the result of attrs() that was called on a parsed node. This vulnerability might lead to denial of service (on both 32-bit systems and 64-bit systems), data leak, infinite loop and remote code execution (on 32-bit systems with the XML_PARSE_HUGE flag enabled).

It is possible to read the advisory at research.jfrog.com. This vulnerability is known as CVE-2024-34391 since 05/02/2024. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/10/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

• libxmljs

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.3
• 1.0.4
• 1.0.5
• 1.0.6
• 1.0.7
• 1.0.8
• 1.0.9
• 1.0.10
• 1.0.11

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

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