CVE-2025-7424: Libxslt: type confusion in xmlnode.psvi between stylesheet and source nodes

Published Jul 10, 2025
·
Updated

A flaw was found in the libxslt library. The same memory field, psvi, is used for both stylesheet and input data, which can lead to type confusion during XML transformations. This vulnerability allows an attacker to crash the application or corrupt memory. In some cases, it may lead to denial of service or unexpected behavior.

Other sources

Accessibility. A logic issue was addressed with improved checks.

— Apple

Accessibility. The issue was addressed by adding additional logic.

— Apple

Admin Framework. A path handling issue was addressed with improved validation.

— Apple

afclip. The issue was addressed with improved memory handling.

— Apple

AMD. A race condition was addressed with improved state handling.

— Apple

Credit

Sergei Glazunov(Google Project Zero), Ivan Fratric(Google Project Zero), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Martin Bajanik(Fingerprint), Ammar Askar, Jaydev Ahire, Gilad Moav, Yehuda Afek, Anat Bremler-Barr, Amit Klein, Yuhao Hu, Yan Kang, Chenggang Wu, Xiaojie Wei, Syarif Muhammad Sajjad, shandikri(Trend Micro Zero Day Initiative), Google V8 Security Team, Nan Wang@@eternalsakura13, Ziling Chen, HexRabbit@@h3xr4bb1t(DEVCORE Research Team), Ignacio Sanmillan@@ulexec, Clément Lecigne(Google's Threat Analysis Group), Vlad Stolyarov(Google's Threat Analysis Group), Google's Threat Analysis Group, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Chi Yuan Chang(ZUSO ART), taikosoup, Gary Kwong(Trend Micro Zero Day Initiative), CVE-2025-43226, Christian Kohlschütter, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), CVE-2025-6965, Wong Wee Xiang, Himanshu Bharti@@Xpl0itme, Brian Carpenter, Ryan Dowd@@_rdowd, ABC Research s.r.o., Mickey Jin@@patch1t, Noah Gregory (wts.dev), an anonymous researcher, Gergely Kalman@@gergely_kalman, 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, 2ourc3 | Salim Largo, Dawuge(Shuffle Team), Anonymous(Trend Micro Zero Day Initiative), Pyrophoria, Csaba Fitzl@@theevilbit(Kandji), Minghao Lin, Jiaxun Zhu, Kirin@@Pwnrin, Zhongquan Li@@Guluisacat, Koh M. Nakagawa@@tsunek0h(Kandji), Wojciech Regula(SecuRing), Yuebin Sun@@yuebinsun2020, Shang-De Jiang(CyCraft Technology), Kazma Ye(CyCraft Technology), Nikolai Skliarenko(Trend Micro Zero Day Initiative), Mickey Jin@@patch1t(Team Orca of Sea Security), Keith Yeo@@kyeojy(Team Orca of Sea Security), Martti Hütt, Tony Iskow@@Tybbow, MRHAX, Aditya Rana, Seo Hyun-gyu@@wh1te4ever(Xiaomi), Dora Orak(Xiaomi), Minghao Lin@@Y1nKoc(Xiaomi), XiLong Zhang@@Resery4(Xiaomi), noir@@ROIS, fmyy (@风沐云烟), Willey Lin, Arsenii Kostromin (0x3c3e), Dora Orak, an anonymous researcher(Loadshine Lab), Hikerell(Loadshine Lab), @@zlluny, Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft)

Affected Software

22 affected componentsFixes available
Gnome libxslt
Apple tvOS<18.6
18.6
Apple iOS<18.6
18.6
Apple iPadOS<18.6
18.6
Apple WatchOS<11.6
11.6
Apple macOS Sonoma<14.7.7
14.7.7
Apple iPadOS<17.7.9
17.7.9
Apple visionOS<2.6
2.6
Apple macOS Sequoia<15.6
15.6
Xmlsoft Libxslt
redhat OpenShift Container Platform=4.0
redhat Enterprise Linux=6.0
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
redhat Enterprise Linux=9.0
redhat Enterprise Linux=10.0
Microsoft azl3 libxslt 1.1.43-1
Microsoft cbl2 libxslt 1.1.34-8
Microsoft azl3 libxslt 1.1.43-3
Patch available
Apple Safari<18.6
18.6
Microsoft cbl2 libxslt 1.1.34-9
Patch available
Microsoft cbl2 libxslt 1.1.34-10
Patch available

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 18.6
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 11.6
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 14.7.7
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 17.7.9
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 2.6
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 15.6

Event History

Jul 10, 2025
Data Sourced
via Red Hat·08:56 AM
DescriptionSeverityAffected Software
CVE Published
via MITRE·02:05 PM
Data Sourced
via MITRE·02:05 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·02:15 PM
DescriptionSeverityWeaknessAffected Software
Jul 29, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Jul 30, 2025
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·02:12 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·02:12 AM
Affected Software
Updated
via Microsoft·09:12 AM
DescriptionSeverity
Updated
via Microsoft·09:12 AM
Affected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2025-7424?

CVE-2025-7424 has been classified as a critical vulnerability due to the potential for application crashes and memory corruption.

2

How do I fix CVE-2025-7424?

To mitigate CVE-2025-7424, update the libxslt library to the latest version provided by the vendor.

3

What are the potential impacts of CVE-2025-7424?

CVE-2025-7424 can lead to application crashes, memory corruption, and potentially expose the system to further attacks.

4

Which software is affected by CVE-2025-7424?

CVE-2025-7424 specifically affects the GNOME libxslt library.

5

What type of attack can exploit CVE-2025-7424?

CVE-2025-7424 can be exploited through crafted XML transformations, potentially leading to arbitrary code execution.

Company

Resources

Contact

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