CVE-2024-34391

HIGH
Published May 2, 2024 Modified Oct 10, 2025 CWE-843

Description

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).

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CVSS v3.1 Score

8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-843 CWE-843

Affected Products

Vendor Product
libxmljs_project libxmljs

References

Frequently Asked Questions

What is CVE-2024-34391? +
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 has a CVSS v3.1 base score of 8.1 (HIGH).
How severe is CVE-2024-34391? +
CVE-2024-34391 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-34391? +
CVE-2024-34391 affects products from libxmljs_project, specifically: libxmljs. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-34391? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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