CVE-2025-30427: Use After Free

Q: What is the severity of CVE-2025-30427?

CVE-2025-30427 is rated as a high-severity vulnerability due to its potential to cause crashes in Safari through malicious web content.

Q: How do I fix CVE-2025-30427?

To mitigate CVE-2025-30427, upgrade to Safari 18.4 or newer, or another affected product version as specified by Apple.

Q: Which devices are affected by CVE-2025-30427?

CVE-2025-30427 affects Apple devices running versions of Safari, iOS, iPadOS, tvOS, watchOS, and macOS prior to the latest updates.

Q: What type of vulnerability is CVE-2025-30427?

CVE-2025-30427 is classified as a use-after-free vulnerability, which can be exploited by processing malicious web content.

Q: Has CVE-2025-30427 been patched?

Yes, CVE-2025-30427 has been addressed with improved memory management in the latest software updates from Apple.

Published Mar 31, 2025

Updated

A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 18.4, iOS 18.4 and iPadOS 18.4, iPadOS 17.7.6, macOS Sequoia 15.4, tvOS 18.4, visionOS 2.4, watchOS 11.4. 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 visionOS 2.4, tvOS 18.4, iPadOS 17.7.6, iOS 18.4 and iPadOS 18.4, macOS Sequoia 15.4, Safari 18.4. Processing maliciously crafted web content may lead to an unexpected Safari crash.

— Red Hat

Accessibility. A logging issue was addressed with improved data redaction.

— Apple

AccountPolicy. This issue was addressed by removing the vulnerable code.

— Apple

Accounts. This issue was addressed with improved data access restriction.

— Apple

AirDrop. A permissions issue was addressed with additional restrictions.

— Apple

Credit

Google V8 Security Team, Francisco Alonso@@revskills, an anonymous researcher, Muhammad Zaid Ghifari (Mr.ZheeV), Kalimantan Utara, rheza@@ginggilBesel, PixiePoint Security, Andreas Hegenberg (folivora.AI GmbH), Gary Kwong, Paul Bakker(ParagonERP), Vsevolod Kokorin (Slonser)(Solidlab), Apple, Lukas Bernhard, Tashita Software Security, Xiangwei Zhang(Tencent Security YUNDING LAB), linjy(HKUS3Lab), chluo(WHUSecLab), Brendon Tiszka(Google Project Zero), YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Minghao Lin@@Y1nKoc, Ron Masas(BREAKPOINT), Uri Katz (Oligo Security), Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Denis Tokarev@@illusionofcha0s, Google Threat Analysis Group, wac(Trend Micro Zero Day Initiative), pattern-f@@pattern_F_, Jonathan Bar Or@@yo_yo_yo_jbo(Microsoft), CVE-2024-9681, LFY@@secsys(Fudan University), Anonymous(Trend Micro Zero Day Initiative), Michael (Biscuit) Thomas - @social.lol@@biscuit, Ian Beer(Google Project Zero), CVE-2024-48958, CVE-2025-27113, CVE-2024-56171, Alex Radocea(Supernetworks), Dave G.(Supernetworks), 风沐云烟@@binary_fmyy, Jimmy, Mickey Jin@@patch1t, Bing Shi(Alibaba Group), Wenchao Li(Alibaba Group), Xiaolong Bai(Alibaba Group), Luyi Xing(Indiana University Bloomington), Halle Winkler, Politepix theoffcuts.org, Kirin@@Pwnrin, Bohdan Stasiuk@@bohdan_stasiuk, Dominik Rath, Martin Kreichgauer(Google Chrome), Yutong Xiu@@Sou1gh0st, Andr.Ess, Wang Yu(Cyberserval), @@RenwaX23, Syarif Muhammad Sajjad, Andrew James Gonzalez, CVE-2025-24085, Jax Reissner, Richard Hyunho Im with routezero.security@@richeeta, Lehan Dilusha@@zafer, Zhongcheng Li(IES Red Team of ByteDance), Wojciech Regula(SecuRing), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Jeffrey Hofmann, Ian Mckay@@iann0036, Csaba Fitzl@@theevilbit(Kandji), Nolan Astrein(Kandji), Stephan Casas, Gergely Kalman@@gergely_kalman, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Pietro Francesco Tirenna(Shielder), Davide Silvetti(Shielder), Abdel Adim Oisfi(Shielder), luckyu@@uuulucky, Rodolphe BRUNETTI@@eisw0lf, Manuel Fernandez (Stackhopper Security), ABC Research s.r.o., Murray Mike, mzzzz__, Dayton Pidhirney(Atredis Partners), Lyutoon, YenKoc, Ye Zhang@@VAR10CK(Baidu Security), Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), Joseph Ravichandran@@0xjprx(MIT CSAIL), Kenneth Chew, Paweł Płatek (Trail(Bits), Alexia Wilson(Microsoft), Christine Fossaceca(Microsoft), Diamant Osmani & Valdrin Haliti [Kosovë], dbpeppe, Solitechworld, Pwn2car, Alhour@@NSAntoine, Mickey Jin@@patch1t(Kandji), (Kandji), Pedro Tôrres@@t0rr3sp3dr0, Noah Gregory (wts.dev), CVE-2023-27043, Jaydev Ahire, Yiğit Can YILMAZ@@yilmazcanyigit, Arsenii Kostromin (0x3c3e), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Dolf Hoegaerts, Michiel Devliegere, K宝@@Pwnrin, Tong Liu@@Lyutoon_, 风(binary_fmyy), F00L, Dave G., zbleet(QI), Cristian Dinca(Computer Science), Romania, 风沐云烟 (binary_fmyy), Kirin, FlowerCode, Zhongquan Li@@Guluisacat, Pedro José Pereira Vieito / pvieito.com)@@pvieito, Alexander Heinrich@@Sn0wfreeze, SEEMOO, TU Darmstadt & Mathy Vanhoef@@vanhoefm, Jeroen Robben@@RobbenJeroen, DistriNet, KU Leuven, Florian Draschbacher, Dalibor Milanovic, Abhay Kailasia@@abhay_kailasia(C), Chi Yuan Chang(ZUSO ART), taikosoup

Affected Software

33 affected componentsFixes available

Apple Safari<18.4

18.4

Apple WatchOS<11.4

11.4

Apple iOS<18.4

18.4

Apple iPadOS<18.4

18.4

Apple tvOS<18.4

18.4

Apple macOS Sequoia<15.4

15.4

Apple iPadOS<17.7.6

17.7.6

Apple visionOS<2.4

2.4

Apple Safari<18.4

Apple iPadOS<17.7.6

Apple iPadOS>=18.0<18.4

Apple iPhone OS<18.4

Apple macOS>=15.0<15.4

Apple tvOS<18.4

Apple visionOS<2.4