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Vulnerability record · CVE-2024-34391 · published 2 May 2024

CVE-2024-34391: Libxmljs project libxmljs type confusion vulnerability

LLibxmljs Project · Libxmljs

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).

9.8 CVSS 3.1 Critical EPSS 1.1% · top 35.6% CWE-843 · Type confusion
9.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 4 tagged exploit
17 Jun 2026Last modified by NVD

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).

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/libxmljs/libxmljs/issues/645 ExploitIssue Tracking
https://research.jfrog.com/vulnerabilities/libxmljs-attrs-type-confusion-rce-jfsa-2024-001033988/ ExploitThird Party Advisory
https://github.com/libxmljs/libxmljs/issues/645 ExploitIssue Tracking
https://research.jfrog.com/vulnerabilities/libxmljs-attrs-type-confusion-rce-jfsa-2024-001033988/ ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2024-34391), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.