CVE-2025-31266: Double Free

Published May 12, 2025
·
Updated

A spoofing issue was addressed with improved truncation when displaying the fully qualified domain name. This issue is fixed in Safari 18.5, macOS Sequoia 15.5. A website may be able to spoof the domain name in the title of a pop-up window.

Other sources

afpfs. The issue was addressed with improved memory handling.

— Apple

afpfs. This issue was addressed with improved checks.

— Apple

Apple Intelligence Reports. A permissions issue was addressed with additional restrictions.

— Apple

AppleJPEG. The issue was addressed with improved input sanitization.

— Apple

Audio. A double free issue was addressed with improved memory management.

— Apple

Credit

@@RenwaX23, Google V8 Security Team, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), wac(Trend Micro Zero Day Initiative), rheza@@ginggilBesel(Palo Alto Networks), Edouard Bochin@@le_douds(Palo Alto Networks), Tao Yan@@Ga1ois(Palo Alto Networks), Nan Wang@@eternalsakura13, Ignacio Sanmillan@@ulexec, Jiming Wang, Jikai Ren, Yuhao Hu, Yan Kang, Chenggang Wu, Xiaojie Wei, Ivan Fratric(Google Project Zero), Juergen Schmied(Lynck GmbH), Joseph Ravichandran@@0xjprx(MIT CSAIL), Dave G., Thomas Völkl@@vollkorntomate, SEEMOO, TU Darmstadt, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Dillon Franke(Google Project Zero), Guilherme Rambo(Best Buddy Apps), Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Bohdan Stasiuk@@bohdan_stasiuk, Saagar Jha, an anonymous researcher, Tony Iskow@@Tybbow, Christian Kohlschütter, Michael DePlante@@izobashi(Trend Micro Zero Day Initiative), Lucas Leong@@_wmliang_(Trend Micro Zero Day Initiative), CVE-2024-8176, Paweł Płatek (Trail(Bits), Adam M., Sourabhkumar Mishra, CVE-2025-26465, CVE-2025-26466, CertiK@@CertiK, wac, Csaba Fitzl@@theevilbit(Kandji), Ryan Dowd@@_rdowd, Kirin@@Pwnrin, 7feilee, Eric Dorphy(Twin Cities App Dev LLC), Noah Gregory (wts.dev), jioundai(360 Vulnerability Research Institute), chen fengjiao(HBC)

Affected Software

6 affected componentsFixes available
Apple Safari<18.5
Apple macOS Sequoia<15.5
Apple Safari<18.5
18.5
Apple macOS Sequoia<15.5
15.5
Apple Safari<18.5
Apple macOS<15.5

Event History

May 12, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected Software
Nov 21, 2025
CVE Published
via MITRE·09:22 PM
Data Sourced
via MITRE·09:22 PM
DescriptionWeakness
Data Sourced
via NVD·10:16 PM
DescriptionSeverityWeaknessAffected 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-2025-31266?

CVE-2025-31266 has a moderate severity level due to its potential for spoofing domain names in pop-up windows.

2

How do I fix CVE-2025-31266?

To mitigate CVE-2025-31266, update to Safari version 18.5 or macOS Sequoia version 15.5 or later.

3

What types of systems are affected by CVE-2025-31266?

CVE-2025-31266 affects Apple Safari prior to version 18.5 and macOS Sequoia prior to version 15.5.

4

What kind of attack does CVE-2025-31266 enable?

CVE-2025-31266 enables attackers to spoof domain names in the titles of pop-up windows, potentially misleading users.

5

When was CVE-2025-31266 addressed?

CVE-2025-31266 was addressed in the updates released for Safari 18.5 and macOS Sequoia 15.5.

Company

Resources

Contact

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