What’s Vulnerable › Vulnerabilities

CVE-2024-34393: libxmljs2 attrs type confusion RCE

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-02 · updated 2026-10-03
• Weakness: CWE-843

Description

libxmljs2 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).

Affected products

• libxmljs: through 0.33.0

References

• https://research.jfrog.com/vulnerabilities/libxmljs2-attrs-type-confusion-rce-jfsa-2024-001034097/
• https://github.com/marudor/libxmljs2/issues/204
• https://research.jfrog.com/vulnerabilities/libxmljs2-attrs-type-confusion-rce-jfsa-2024-001034097/

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