-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-05-11-2026-9 tvOS 26.5 tvOS 26.5 addresses the following issues. Information about the security content is also available at https://support.apple.com/en-us/127118. Apple maintains a Security Releases page at https://support.apple.com/100100 which lists recent software updates with security advisories. Accelerate Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause a denial-of-service Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2026-28991: Seiji Sakurai (@HeapSmasher) APFS Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause unexpected system termination Description: A buffer overflow was addressed with improved bounds checking. CVE-2026-28959: Dave G. App Intents Available for: Apple TV HD and Apple TV 4K (all models) Impact: A malicious app may be able to break out of its sandbox Description: A logic issue was addressed with improved restrictions. CVE-2026-28995: Vamshi Paili, Tony Gorez (@tonygo_) for Reverse Society AppleJPEG Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted image may lead to a denial-of-service Description: This is a vulnerability in open source code and Apple Software is among the affected projects. The CVE-ID was assigned by a third party. Learn more about the issue and CVE-ID at cve.org. CVE-2026-1837 AppleJPEG Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory Description: A memory corruption issue was addressed with improved input validation. CVE-2026-28956: impost0r (ret2plt) Audio Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing an audio stream in a maliciously crafted media file may terminate the process Description: The issue was addressed with improved memory handling. CVE-2026-39869: David Ige of Beryllium Security CoreSymbolication Available for: Apple TV HD and Apple TV 4K (all models) Impact: Parsing a maliciously crafted file may lead to an unexpected app termination Description: An out-of-bounds access issue was addressed with improved bounds checking. CVE-2026-28918: Niels Hofmans, Anonymous working with TrendAI Zero Day Initiative ImageIO Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted image may corrupt process memory Description: A buffer overflow issue was addressed with improved memory handling. CVE-2026-43661: an anonymous researcher ImageIO Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted file may lead to unexpected app termination Description: The issue was addressed with improved bounds checks. CVE-2026-28977: Suresh Sundaram ImageIO Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted image may corrupt process memory Description: The issue was addressed with improved memory handling. CVE-2026-28990: Jiri Ha, Arni Hardarson IOHIDFamily Available for: Apple TV HD and Apple TV 4K (all models) Impact: An attacker may be able to cause unexpected app termination Description: A memory corruption vulnerability was addressed with improved locking. CVE-2026-28992: Johnny Franks (@zeroxjf) IOHIDFamily Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to determine kernel memory layout Description: A logging issue was addressed with improved data redaction. CVE-2026-28943: Google Threat Analysis Group IOKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause unexpected system termination Description: A use after free issue was addressed with improved memory management. CVE-2026-28969: Mihalis Haatainen, Ari Hawking, Ashish Kunwar IOSurfaceAccelerator Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause unexpected system termination or read kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2026-43655: Somair Ansar and an anonymous researcher Kernel Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to disclose kernel memory Description: The issue was addressed with improved memory handling. CVE-2026-43654: Vaagn Vardanian, Nathaniel Oh (@calysteon) Kernel Available for: Apple TV HD and Apple TV 4K (all models) Impact: A local user may be able to cause unexpected system termination or read kernel memory Description: A buffer overflow was addressed with improved input validation. CVE-2026-28897: popku1337, Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Robert Tran, Aswin kumar Gokulakannan Kernel Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause unexpected system termination or write kernel memory Description: An out-of-bounds write issue was addressed with improved input validation. CVE-2026-28972: Billy Jheng Bing Jhong and Pan Zhenpeng (@Peterpan0927) of STAR Labs SG Pte. Ltd., Ryan Hileman via Xint Code (xint.io) Kernel Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause unexpected system termination Description: A race condition was addressed with additional validation. CVE-2026-28986: Chris Betz, Tristan Madani (@TristanInSec) from Talence Security, Ryan Hileman via Xint Code (xint.io) Kernel Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to leak sensitive kernel state Description: A logging issue was addressed with improved data redaction. CVE-2026-28987: Dhiyanesh Selvaraj (@redroot97) LaunchServices Available for: Apple TV HD and Apple TV 4K (all models) Impact: A remote attacker may be able to cause a denial of service Description: A type confusion issue was addressed with improved checks. CVE-2026-28983: Ruslan Dautov mDNSResponder Available for: Apple TV HD and Apple TV 4K (all models) Impact: An attacker on the local network may be able to cause a denial-of-service Description: The issue was addressed with improved memory handling. CVE-2026-43653: Atul R V mDNSResponder Available for: Apple TV HD and Apple TV 4K (all models) Impact: An attacker on the local network may be able to cause a denial-of-service Description: A null pointer dereference was addressed with improved input validation. CVE-2026-28985: Omar Cerrito mDNSResponder Available for: Apple TV HD and Apple TV 4K (all models) Impact: A remote attacker may be able to cause unexpected system termination or corrupt kernel memory Description: A use after free issue was addressed with improved memory management. CVE-2026-43668: Anton Pakhunov, Ricardo Prado mDNSResponder Available for: Apple TV HD and Apple TV 4K (all models) Impact: An attacker on the local network may be able to cause a denial-of-service Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2026-43666: Ian van der Wurff (ian.nl) Model I/O Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing a maliciously crafted image may corrupt process memory Description: The issue was addressed with improved memory handling. CVE-2026-28940: Michael DePlante (@izobashi) of TrendAI Zero Day Initiative SceneKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: A remote attacker may be able to cause unexpected app termination Description: A buffer overflow was addressed with improved bounds checking. CVE-2026-28846: Peter Malone Spotlight Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to cause a denial-of-service Description: This issue was addressed with improved checks to prevent unauthorized actions. CVE-2026-28974: Andy Koo (@andykoo) of Hexens Storage Available for: Apple TV HD and Apple TV 4K (all models) Impact: An app may be able to access sensitive user data Description: A race condition was addressed with additional validation. CVE-2026-28996: Alex Radocea WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced Description: A validation issue was addressed with improved logic. WebKit Bugzilla: 308906 CVE-2026-43660: Cantina WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may prevent Content Security Policy from being enforced Description: The issue was addressed with improved input validation. WebKit Bugzilla: 308675 CVE-2026-28907: Cantina WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 307669 CVE-2026-43658: Do Young Park WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may lead to an unexpected process crash Description: The issue was addressed with improved memory handling. WebKit Bugzilla: 308545 CVE-2026-28905: Yuhao Hu, Yuanming Lai, Chenggang Wu, and Zhe Wang WebKit Bugzilla: 308707 CVE-2026-28847: DARKNAVY (@DarkNavyOrg), Anonymous working with TrendAI Zero Day Initiative, Daniel Rhea WebKit Bugzilla: 309601 CVE-2026-28904: Luka Rački WebKit Bugzilla: 310880 CVE-2026-28955: wac and Kookhwan Lee working with TrendAI Zero Day Initiative WebKit Bugzilla: 310303 CVE-2026-28903: Mateusz Krzywicki (iVerify.io) WebKit Bugzilla: 309628 CVE-2026-28953: Maher Azzouzi WebKit Bugzilla: 309861 CVE-2026-28902: Tristan Madani (@TristanInSec) from Talence Security, Nathaniel Oh (@calysteon) WebKit Bugzilla: 310207 CVE-2026-28901: Aisle offensive security research team (Joshua Rogers, Luigino Camastra, Igor Morgenstern, and Guido Vranken), Maher Azzouzi, Ngan Nguyen of Calif.io WebKit Bugzilla: 311631 CVE-2026-28913: an anonymous researcher WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may lead to an unexpected process crash Description: A use-after-free issue was addressed with improved memory management. WebKit Bugzilla: 313939 CVE-2026-28883: kwak kiyong / kakaogames WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may lead to an unexpected process crash Description: The issue was addressed with improved input validation. WebKit Bugzilla: 310527 CVE-2026-28917: Vitaly Simonovich WebKit Available for: Apple TV HD and Apple TV 4K (all models) Impact: Processing maliciously crafted web content may lead to an unexpected Safari crash Description: A use-after-free issue was addressed with improved memory management. WebKit Bugzilla: 310234 CVE-2026-28947: dr3dd WebKit Bugzilla: 312180 CVE-2026-28942: Milad Nasr and Nicholas Carlini with Claude, Anthropic Wi-Fi Available for: Apple TV HD and Apple TV 4K (all models) Impact: An attacker in a privileged network position may be able to perform denial-of-service attack using crafted Wi-Fi packets Description: A use after free issue was addressed with improved memory management. CVE-2026-28994: Alex Radocea zlib Available for: Apple TV HD and Apple TV 4K (all models) Impact: Visiting a maliciously crafted website may leak sensitive data Description: An information leakage was addressed with additional validation. CVE-2026-28920: Brendon Tiszka of Google Project Zero Additional recognition App Intents We would like to acknowledge Mikael Kinnman for their assistance. Apple Account We would like to acknowledge Iván Savransky, YingQi Shi (@Mas0nShi) of DBAppSecurity's WeBin lab for their assistance. AuthKit We would like to acknowledge Gongyu Ma (@Mezone0) for their assistance. CoreUI We would like to acknowledge Mustafa Calap for their assistance. ICU We would like to acknowledge an anonymous researcher for their assistance. Kernel We would like to acknowledge Ryan Hileman via Xint Code (xint.io), Suresh Sundaram, an anonymous researcher for their assistance. Libnotify We would like to acknowledge Ilias Morad (@A2nkF_) for their assistance. mDNSResponder We would like to acknowledge Jason Grove for their assistance. Siri We would like to acknowledge Yoav Magid for their assistance. WebKit We would like to acknowledge Vitaly Simonovich for their assistance. Apple TV will periodically check for software updates. Alternatively, you may manually check for software updates by selecting "Settings -> System -> Software Update -> Update Software." To check the current version of software, select "Settings -> General -> About." All information is also posted on the Apple Security Releases web site: https://support.apple.com/100100. This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEhjkl+zMLNwFiCT1o4Ifiq8DH7PUFAmoCVmoACgkQ4Ifiq8DH 7PWwdA//fX3k2geUV4aljismYu8JDeYAAXLfUN3V/MbUjpXK73f8soAUYY6x5hMJ msB8DYIuvHG7/JrCFAMo3tYsJGHOOTdVNva7d4Pc+BU20X1QCXmfT3do5AHY9GKW Rd/aiyB2m6+yALUzC9O1EVnLO0pM6eXd5r3cSUbwlhz5A5IgfkupZDzkvWzWr5Px ihIuLB+owmTZnV1WZeg+IBfGd9jZAVaPfqX2o/NLIoEab+UfLP64BB3uGvt6XrjX 0jk1zISORZ7QO3qQWizk8eRJd8H6nGmxtiHTmusk4p+LqOebUrKnDqKCMLcNHOz+ XaoYGXM22QwOtMxxeH+Ay+fJKc2KSk+Fd/YtjbDkSFeq/H1tnyTxXrHE3RA4/FAT 9A8AN8AQli69yXLAH5jwXyA51mGLJyPlQUvG4P2N/f8WAwuVHcAC0+LKxzBJSo5V mKRB9lQHU26CfjKOVvjRAUPOwwPu0lqFagFoYnCP0Q9pFDPkExkFngRtq+OiRwFQ 4P0TGDcJBnRPxyQjZtP76/D6gGbc7Kjxta9E0cWRLM60xRbDWRbYLFRC8pnEQQqF yXi7WBsMXkKHkMJ8lTl3uCORi4YNwyR58qgZZ19rqcAupohWWAmSMywaLxpLvEcu BCY02XZJjXufBdwrhMYNJXgLIyaypC2hfj8AzVeiot3NmfATkJc= =Yn2h -----END PGP SIGNATURE----- _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: https://seclists.org/fulldisclosure/
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