CVE-2024-34391

CVE-2024-34391 is a high-severity vulnerability in Libxmljs Project Libxmljs with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

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).

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).
How severe is CVE-2024-34391?
CVE-2024-34391 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-34391 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34391?
CVE-2024-34391 affects Libxmljs Project Libxmljs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34391?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-34391 have an EU (EUVD) identifier?
Yes. CVE-2024-34391 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1447.
When was CVE-2024-34391 published?
CVE-2024-34391 was published on 2024-05-02 and last updated on 2026-06-17.

References

Affected products (1)

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