CVE-2024-34391: libxmljs is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking a

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HIGH 8.1REMOTEUPGRADE

CVE-2024-34391 is a high-severity flaw (CVSS 8.1) affecting libxmljs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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).

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-843
Published	2024-05-02
Last modified	2026-06-17

Publisher (CNA): JFrog · Vendor: libxmljs project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-05-02 19:15 UTCPublished CVE record published
2026-06-17 07:33 UTCUpdated Record last modified

libxmljs project libxmljs UPGRADE

Affected: < 1.0.11

Fixed in: 1.0.11

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls libxmljs

2. UPGRADE to 1.0.11

npm install libxmljs@">=1.0.11"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-34391?

libxmljs: upgrade to 1.0.11. Exact commands for each OS are on this page.

Is CVE-2024-34391 being exploited?

CVE-2024-34391 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-34391 affect?

CVE-2024-34391 affects libxmljs. Severity is high (CVSS 8.1). 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 3

How urgent is CVE-2024-34391?

Priority 55/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-25341 HIGH 7.5 DOWNGRADE A vulnerability exists in the libxmljs 1.0.11 when parsing a specially crafted XML document
CVE-2024-34392 HIGH 8.1 UPGRADE libxmljs is vulnerable to a type confusion vulnerability when parsing a specially crafted XML while invoking t

References

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