CVE-2025-7424Network attack vector

Application crash via xmlNode.psvi type confusion

Published Jul 10, 2025 · Updated Sep 1, 2026

Type confusion in XMLSoft libxslt before 1.1.44 allows remote attackers to crash applications by supplying a crafted XSLT stylesheet. The transformation engine reuses xmlNode.psvi for stylesheet and source-document nodes, causing stylesheet metadata to be interpreted as the wrong internal type. Reachability depends on a consuming application accepting attacker-controlled stylesheets, and successful exploitation can corrupt memory and interrupt that process.

CVSS severity7.5
High
EPSS probability1.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Type confusion in XMLSoft libxslt before 1.1.44 allows remote attackers to crash applications by supplying a crafted XSLT stylesheet. The transformation engine reuses xmlNode.psvi for stylesheet and source-document nodes, causing stylesheet metadata to be interpreted as the wrong internal type. Reachability depends on a consuming application accepting attacker-controlled stylesheets, and successful exploitation can corrupt memory and interrupt that process.

The record

CVE
CVE-2025-7424
Published
Jul 10, 2025
Updated
Sep 1, 2026
Vendor
XMLSoft
Product
libxslt
Classifications
CWE-843
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.1.44

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

XMLSoft · libxsltversion=0 <1.1.44
389 Directory Server · Red Hat Enterprise Linux 10Affected versions are unavailable in this record.
389 Directory Server · Red Hat Hardened ImagesAffected versions are unavailable in this record.

Published CVSS scores

7.5CVE.orgCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5Red HatCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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