CVE-2025-43216: Use After Free

Published Jul 29, 2025
·
Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Other sources

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.6, watchOS 11.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, tvOS 18.6, macOS Sequoia 15.6, visionOS 2.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

— Red Hat

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

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, Mickey Jin@@patch1t, Dawuge(Shuffle Team), Tony Iskow@@Tybbow, Kirin@@Pwnrin, Wojciech Regula(SecuRing), ABC Research s.r.o., Noah Gregory (wts.dev), 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), 风沐云烟@@binary_fmyy, Minghao Lin@@Y1nKoc, Gergely Kalman@@gergely_kalman, an anonymous researcher, 2ourc3 | Salim Largo, Anonymous(Trend Micro Zero Day Initiative), Willey Lin, Arsenii Kostromin (0x3c3e), Pyrophoria, Dora Orak, Csaba Fitzl@@theevilbit(Kandji), Minghao Lin, Jiaxun Zhu, Zhongquan Li@@Guluisacat, Koh M. Nakagawa@@tsunek0h(Kandji), an anonymous researcher(Loadshine Lab), Hikerell(Loadshine Lab), @@zlluny, Yuebin Sun@@yuebinsun2020, Shang-De Jiang(CyCraft Technology), Kazma Ye(CyCraft Technology), Nikolai Skliarenko(Trend Micro Zero Day Initiative), Keith Yeo@@kyeojy(Team Orca of Sea Security), Martti Hütt, Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft), Ryan Dowd@@_rdowd

Affected Software

34 affected componentsFixes available
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 iPadOS<17.7.9
17.7.9
Apple visionOS<2.6
2.6
Apple macOS Sequoia<15.6
15.6
Apple Safari<18.6
18.6
Apple Safari<18.6
Apple iPadOS<17.7.9
Apple iPadOS>=18.0<18.6
Apple iPhone OS<18.6
Apple macOS<15.6
Apple tvOS<18.6
Apple visionOS<2.6
Apple WatchOS<11.6
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-source*
ubuntu/webkitgtk*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-opensource-src*
ubuntu/qtwebkit-source*
ubuntu/webkitgtk*
ubuntu/webkit2gtk*
ubuntu/qtwebkit-opensource-src*
ubuntu/wpewebkit*
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk<2.48.5-0ubuntu0.22.04.1
2.48.5-0ubuntu0.22.04.1
ubuntu/wpewebkit*
ubuntu/qtwebkit-opensource-src*
ubuntu/webkit2gtk<2.48.5-0ubuntu0.24.04.1
2.48.5-0ubuntu0.24.04.1
debian/webkit2gtk
2.50.6-1~deb12u22.50.6-1~deb12u12.52.6-1~deb13u12.54.0-1~deb13u32.52.6-12.54.2-2
debian/wpewebkit<=2.38.6-1, <=2.48.3-1
2.54.2-1

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 17.7.9
  4. Upgrade

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

    Fixed in 2.6
  5. Upgrade

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

    Fixed in 15.6
  6. Upgrade

    Upgrade ubuntu/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.22.04.1
  7. Upgrade

    Upgrade ubuntu/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.48.5-0ubuntu0.24.04.1
  8. Upgrade

    Upgrade debian/webkit2gtk to a version that resolves this vulnerability.

    Fixed in 2.50.6-1~deb12u2Fixed in 2.50.6-1~deb12u1Fixed in 2.52.6-1~deb13u1Fixed in 2.54.0-1~deb13u3Fixed in 2.52.6-1Fixed in 2.54.2-2
  9. Upgrade

    Upgrade debian/wpewebkit to a version that resolves this vulnerability.

    Fixed in 2.54.2-1
  10. Upgrade

    Upgrade Safari to a version that resolves this vulnerability.

    Fixed in 18.6
  11. Upgrade

    Upgrade iOS to a version that resolves this vulnerability.

    Fixed in 18.6
  12. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 18.6
  13. Upgrade

    Upgrade iPadOS to a version that resolves this vulnerability.

    Fixed in 17.7.9
  14. Upgrade

    Upgrade macOS Sequoia to a version that resolves this vulnerability.

    Fixed in 15.6
  15. Upgrade

    Upgrade tvOS to a version that resolves this vulnerability.

    Fixed in 18.6
  16. Upgrade

    Upgrade visionOS to a version that resolves this vulnerability.

    Fixed in 2.6
  17. Upgrade

    Upgrade watchOS to a version that resolves this vulnerability.

    Fixed in 11.6

Event History

Jul 29, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·11:36 PM
Data Sourced
via MITRE·11:36 PM
DescriptionWeakness
Jul 30, 2025
Data Sourced
via Ubuntu·12:00 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via OSV·12:15 AM
DescriptionSeverityAffected Software
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
Aug 4, 2025
Data Sourced
via Red Hat·12:49 PM
DescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of CVE-2025-43216?

The severity of CVE-2025-43216 is considered high due to the potential for a use-after-free condition leading to crashes.

2

How do I fix CVE-2025-43216?

To fix CVE-2025-43216, update affected devices to Safari 18.6 or the latest version of the respective operating systems listed.

3

Which versions of Safari are affected by CVE-2025-43216?

CVE-2025-43216 affects Safari versions up to and including 18.5.

4

What types of devices are impacted by CVE-2025-43216?

CVE-2025-43216 impacts various Apple devices including those running macOS, iOS, iPadOS, watchOS, tvOS, and visionOS.

5

What are the potential consequences of CVE-2025-43216?

The potential consequences of CVE-2025-43216 include unexpected crashes of the Safari browser when processing maliciously crafted web content.

Company

Resources

Contact

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