CVE-2026-43711: Buffer Overflow

Published Jul 27, 2026
·
Updated

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted video file may lead to unexpected app termination.

Other sources

Accessibility. This issue was addressed through improved state management.

— Apple

Accounts Framework. This issue was addressed with improved data protection.

— Apple

Accounts. A parsing issue in the handling of directory paths was addressed with improved path validation.

— Apple

Accounts. An access issue was addressed with additional sandbox restrictions.

— Apple

Accounts. An authorization issue was addressed with improved state management.

— Apple

Credit

Arash Ale Ebrahim(SCy), Narendra Singh@@_3P1C, Peter Malone, Rahul Raj, Peter Malone(cyberplanet), Nicolas Rabrenovic(cyberplanet), Irvin Wang(cyberplanet), Rishabh Jain (rjcyber)(cyberplanet), Seonung Park, ALTV!ST (altvi.st/), Xint Code, Franco Belman at Blackwing Intelligence, Dun, YingQi Shi@@Mas0nShi(DBAppSecurity's WeBin lab), Rodolphe Brunetti@@eisw0lf(Lupus Nova), Daniel Febrero, Daniel Williams, Arni Hardarson (Neonix Security), Anonymous(TrendAI Zero Day Initiative), ret2happy, Mathis Mansière, an anonymous researcher, James Duffy@@0x4A616D657344, stratan@@5tratan, CVE-2026-3784, CVE-2026-3783, Huỳnh Tấn Ngàn, Manuel Fernandez (Stackhopper Security), Stanislav Jelezoglo(Positive Technologies), Ilya Andr (andrd3v)(Positive Technologies), Redon Gashi, Jonathan Alush-Aben, Arni Hardarson, Jiri Ha, Gandalf4a(PKU), Anton Pakhunov, Geonha Lee@@leegn4a, Richard Zana, Dhiyanesh Selvaraj@@redroot97, Seiji Sakurai@@HeapSmasher, hxr1(STAR Labs SG Pte), Hiroki Imai (LAC Co.(STAR Labs SG Pte), Ltd.)(STAR Labs SG Pte), Billy Jheng Bing Jhong(STAR Labs SG Pte), Pan Zhenpeng@@Peterpan0927(STAR Labs SG Pte), Ashish Kunwar, Ryan Hileman via Xint Code (xint.io), Ashish Kunwar(MurphySec), f0r(MurphySec), Mahmoud Abdelmoniem(ThreatBook), Feng Xue(ThreatBook), XGPT(ThreatBook), Wang Yu, Nicolas Rabrenovic, Lyutoon, Hiroki Imai (LAC Co., Ltd.), Fábio Luís@@scanpt, DARKNAVY@@DarkNavyOrg, Gor Aleksanyan, Michal Kosiorek, Eddy Tsalolikhin, Asjid Kalam@@odinshell, impost0r (ret2plt), Hyunwoo Kim@@v4bel, Hyunwoo Kim@@v4bel(ThreatBook), Lukas Gerlach, Wang Yu(STAR Labs SG Pte), Ernesto Martínez García, Calif Research, Ji'an Zhou, Mingxuan Yang, Ye Zhang, Ye Zhang@@VAR10CK(Baidu Security), Vladislav Shevchenko (Positive Technologies)(STAR Labs SG Pte), Pasquale Scola(STAR Labs SG Pte), CVE-2026-4424, Robert Mindo, Nathaniel Oh@@calysteon, Daisuke Hatakeyama Research)@@SYZD, Richard Zana(Nosebeard Labs), Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), Steven Zhao (zhao.io), Tristan Madani@@TristanInSec(Talence Security), Michael DePlante@@izobashi(TrendAI Zero Day Initiative), wh0am1i, Francisco Knabe, Nik Tsytsarkin, Stanislav Jelezoglo, Alex Radocea, Do Young Park, OpenAI Codex Security - Amy Burnett, wwwlk, Artem Dinaburg(Trail of Bits via Anthropic CVD), Cantina, dr3dd, Tommy DeVoss@@thedawgyg(Braze Security Team), Gurpreet Shergill(Calif), Gia Bui@@yabeow(Calif), Rhyru9, Merrick Hare, Kwak Kiyong, Song Nuri, Khai Tran, John Lussier, Gurpreet Shergill, Drinor Selmanaj (Sentry), Utkarsh Pal, Ignacio Sanmillan@@ulexec, Using GLM(Z), stratan@@5tratan(Almamater Technologies), Soyeon Park(DEVCORE Research Team), Amy Burnett(DEVCORE Research Team), Khai Tran(DEVCORE Research Team), sherkito(DEVCORE Research Team), Kota Toda(DEVCORE Research Team), HexRabbit@@h3xr4bb1t(DEVCORE Research Team), NiNi@@terrynini38514(DEVCORE Research Team), Brian Carpenter, Milad Nasr, Nicholas Carlini with Claude, Anthropic, Janggoon Lee(Out of Bounds), Mateusz Krzywicki (iVerify.io), Kun Peeks@@SwayZGl1tZyyy, Josef Korbel, Josef Korbel (Citadelo)(Cisco Talos), Claudio Bozzato(Cisco Talos), Francesco Benvenuto(Cisco Talos), Niels Hofmans, Thomas Guillem, Charles Kern, Shubham Chaskar, Seonwook Kim, lattice, Henock Habte, Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Utkarsh Pal(Talence Security), Narendra Singh@@_3P1C(Calif), Josef Korbel (Citadelo)(Calif), Юлия Мерцалова, Dung Do@@_piers2(Calif), Luke Francis, Muhamad Syaiful, Behzad Najjarpour Jabbari@@_G4ru_, Vitaly Simonovich, Christian Meurer Xavier, Aaron Grattafiori - NVIDIA AI Red Team, 杉山 壮太, Josef Korbel(Calif), Mohit Negi, Nan Wang@@eternalsakura13, CVE-2026-28979, Shaheen Fazim, Stuart Wallace, 이재영(Appknox), Vinay Kumar Rasala (Xplo8E)(Appknox), Jorge Welch@@jorgwelch, Rosyna Keller(Totally Not Malicious Software), 章鱼哥.com@@aipyaipy, Chris Bailey - Short Circuit, N.M.Praveen Nawarathne@@zblockrat, Vladislav Shevchenko (Positive Technologies), tamdao, David Strnadel, Rodolphe BRUNETTI@@eisw0lf(Lupus Nova), Surya Kushwaha, Dave G., 진규정 (Gyujeong Jin, @@G1uN4sh, PETOWORKS의 Bugeun Choi@@Bugeun, 이재영, hxr1, Mahmoud Abdelmoniem, impost0r (ret2plt)(Appknox), Ruslan Dautov(Appknox), Aleksandr Tarasikov(Appknox), jay(Appknox), Dhiyanesh Selvaraj@@redroot97(Appknox), Lyutoon(STAR Labs SG Pte), DongJun Kim (smlijun) with UIUC(STAR Labs SG Pte), Hwiwon Lee (hwiwonl) with UIUC(STAR Labs SG Pte), Jongseong Kim (nevul37) with UIUC(STAR Labs SG Pte), Younggi Park (grill66) with UIUC(STAR Labs SG Pte), Peter Malone(STAR Labs SG Pte), an anonymous researcher(STAR Labs SG Pte), Hari Shanmugam (The Hxr1)(STAR Labs SG Pte), Marco Grassi, Daniele Castronovo, Josh Maine(Calif), Ruslan Dautov(Baidu Security), 재영 정(Baidu Security), (Rao Ali Nawaz)@@rootxran(Baidu Security), Chanwit Muenprakoddee (ChemIndy)(Baidu Security), an anonymous researcher(Baidu Security), Franco Belman at Blackwing Intelligence(Calif), Christian Figueroa(Calif), Johnny Franks@@0xjohnny(Calif), Ashmit Sharma & Atul RV(Calif), Peter Malone(Calif), Muhamad Syaiful(Calif), Muneeb Amin Bhat(Calif), Dhiyanesh Selvaraj@@redroot97(Calif), Ali Marzouq(Calif), Bountyy Oy - Mihalis Haatainen(Calif), Huy Nguyen@@34306(Calif), beist(ASU SEFCOM), Adam Doupé(ASU SEFCOM), Dun(STAR Labs SG Pte), Johnny Franks@@0xjohnny, Somair Ansar(Calif), Abhijeet Singh (linkedin.com/in/abhiunix/), Omar Cerrito, Jian Zhou, YingMuo@@YingMuo(DEVCORE Research Team), Tristan Rousseau, Dun(DARKNAVY), deepsec@@DarkNavyOrg(DARKNAVY), Koh M. Nakagawa@@tsunek0h(FFRI Security Inc), 彦辰, RedRays Security Team, Morris Richman@@morrisinlife, Asaf Cohen, Gongyu Ma@@Mezone0, Kagami Rosylight(Mozilla), Luke Francis(Z), Francisco Alonso@@revskills(Z), Shubham Chaskar(Z), Jiyong Yang@@Sy2n0(Z), 杉山 壮太(Z), lattice(Z), Behzad Najjarpour Jabbari@@_G4ru_(Z), Junyeong Lee(Z), Mooth.ai(Z), OGINOME Tomohito(Z), Heiko Kiesel(SEEMOO), TU Darmstadt, OGINOME Tomohito, Rajdip Dey Sarkar, HvxyZLF, Vladislav Shevchenko (Positive Technologies)(Baidu Security), Utkarsh Pal(Almamater Technologies), Josef Korbel (Citadelo)(Talence Security), CVE-2026-43709, Kwak Kiyong(Talence Security), Song nuri(Talence Security), Mateusz Krzywicki (iVerify.io)(Braze Security Team), dr3dd(Braze Security Team), Jody Ritonga, Idan Masas, Tien-Chih Lin(CyCraft Technology), Soyeon Park, Amy Burnett, Adam Franke(CyStack), Ashish Kunwar(CyStack), Trung Nguyen@@everping(CyStack), Bartlomiej Dmitruk(striga), Stanislaw Strzalkowski(isec), Pinak Oza, Irvin Wang, David Ige - Beryllium Security, lokerxx(Economics), Narendra Singh@@_3P1C(Economics), Lyutoon(Economics), Jordy Zomer@@pwningsystems(Economics), Richard Zana(Economics), Aswin Kumar Gokulakannan(Economics), George Stergiopoulos(Economics), InfoSec lab(Economics), Athens University(Economics), Business, Greece, Pavan Nallamothu, Jared Reyes, Gergely Kalman@@gergely_kalman, Csaba Fitzl@@theevilbit(Iru), Kraken Cryptocurrency Exchange(Nosebeard Labs), Matthew Schneider, Dallas Dubs(Nosebeard Labs), Aaron Grattafiori - NVIDIA AI Red Team(Nosebeard Labs), XBreach.ai(Nosebeard Labs), Yongyue WANG AKA Brian.W(OKX security), Roman Zabicki(Nosebeard Labs), Katika Mohaseen(Nosebeard Labs), an anonymous researcher(Nosebeard Labs), Lance Cain - Offensive Security Engineer, SpecterOps Inc., Mahmoud Abdelmoniem(DBAppSecurity's WeBin lab), Kujtim Kryeziu(DBAppSecurity's WeBin lab), 이재영(Nosebeard Labs), Ilya Andr (andrd3v)(Nosebeard Labs), beist, Gil Portnoy & Henry, Anthony Laou Hine Tsuei@@anarcheuz, Ayaan Ahmad, erdene-och Byambabayar, Alexandre Soleiman, Alexander Tarasikov, Ruslan Dautov, Atul R V & Ashmit Sharma, Hcamael, 章鱼哥 （aipyaipy.com）@@aipy, Aswin Kumar Gokulakannan, Surya Narayan Kushwaha, Cem Onat Karagun, Alfredo Pesoli@@__rev(Bynar), Igor Ushakov, Amy (amys.website), He Wei (ギカク)(aipyaipy), 章鱼哥@@aipy(aipyaipy), Jex Amro, yk lin@@pixiepointsec, Robert Tran, Mickey Jin@@patch1t, Matej Moravec@@MacejkoMoravec, Aethel-Systems(Chongqing Telecom), Chanwit Muenprakoddee (ChemIndy)(Chongqing Telecom), 九宫格(Chongqing Telecom), Narcis Oliveras Fontàs, Sindre Sorhus, Zachary Neal(Stripe), Hcamael(Stripe), 章鱼哥 (aipyaipy.com)@@aipy(Stripe), JC Alvarado(Stripe), Jacob Hazak, @@pixiepointsec, Ilya Andr (andrd3v), Junming C.(Chapoly1305), wdszzml, Atuin Automated Vulnerability Discovery Engine, Bob Gendler(the National Institute of Standards), Technology, Vivek Dhar, ASI (RM) in Border Security Force, FTR HQ BSF Kashmir, He Wei (ギカク)(Cisco Talos), Kitten Food, Calif.io in collaboration with Claude, Anthropic Research, Tien-Chih Lin, Bruce Dang(Calif), CVE-2025-14017, CVE-2025-14819, Jonathan Bar Or@@yo_yo_yo_jbo, Kirin@@Pwnrin(Fudan University), LFY@@secsys(Fudan University), Prathamesh Walunj@@attahasa, Atul R V, Dan Raviv, Chanwit Muenprakoddee (ChemIndy), Aethel-Systems, Pyrophoria, Estifanos Megersa, Ahmed Uddin, silo, wdszzml(Bynar), Atuin Automated Vulnerability Discovery Engine(Bynar)

Affected Software

18 affected componentsFixes available
Apple WatchOS<26.6
26.6
Apple visionOS<26.6
26.6
Apple tvOS<26.6
26.6
Apple macOS Sequoia<15.7.8
15.7.8
Apple macOS Sonoma<14.8.8
14.8.8
Apple iOS<26.6
26.6
Apple iPadOS<26.6
26.6
Apple macOS Tahoe<26.6
26.6
Apple iOS<18.7.10
18.7.10
Apple iPadOS<18.7.10
18.7.10
Apple iPadOS<26.6
Apple iPhone OS<26.6
Apple macOS>=14.0<14.8.8
Apple macOS>=15.0<15.7.8
Apple macOS>=26.0<26.6
Apple tvOS<26.6
Apple visionOS<26.6
Apple WatchOS<26.6

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 18.7.10
  2. Upgrade

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

    Fixed in 26.6
  3. Upgrade

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

    Fixed in 15.7.8
  4. Upgrade

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

    Fixed in 14.8.8

Event History

Jul 27, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
CVE Published
via MITRE·08:13 PM
Data Sourced
via MITRE·08:13 PM
DescriptionWeakness
Data Sourced
via NVD·09:16 PM
DescriptionSeverityWeaknessAffected Software
Aug 17, 2026
Updated
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Affected 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-2026-43711?

The severity of CVE-2026-43711 is high, with a CVSS score of 7.8.

2

How do I fix CVE-2026-43711?

To fix CVE-2026-43711, update to the latest versions: iOS 26.6, iPadOS 26.6, and the corresponding updates for macOS, tvOS, visionOS, and watchOS.

3

What is the risk associated with CVE-2026-43711?

The risk associated with CVE-2026-43711 is rated at a risk level of 68, indicating significant potential impact.

4

What types of vulnerabilities are related to CVE-2026-43711?

CVE-2026-43711 is related to Use After Free, Buffer Overflow, and Race Condition vulnerabilities.

5

What potential impact does CVE-2026-43711 have on affected devices?

CVE-2026-43711 may lead to unexpected app termination when processing a maliciously crafted video file.

Company

Resources

Contact

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