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CVE-2024-34391

Libxmljs remote code execution

8.1 HIGHPublic exploitEPSS 1.10%
  1. Published2 May 2024

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 breakdown

Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Libxmljs< 1.0.11

Remediation

Fixed in
Libxmljs≥ 1.0.11

References

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Frequently asked

Is CVE-2024-34391 being actively exploited?

CVE-2024-34391 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.10%.

How severe is CVE-2024-34391?

CVE-2024-34391 has a CVSS 3.1 base score of 8.1, rated high. EPSS estimates a 1.10% probability of exploitation.

Which products are affected by CVE-2024-34391?

Affected products include Libxmljs.

How do I fix CVE-2024-34391?

Upgrade affected software to a fixed version, for example Libxmljs 1.0.11 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2024-34391 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.