CVE-2025-43309: Input Validation

Published Sep 15, 2025
·
Updated

A logic issue was addressed with improved checks. This issue is fixed in iOS 26 and iPadOS 26. An attacker with physical access to an iOS device may be able to view notification contents from the Lock Screen.

Other sources

Apple Neural Engine. An out-of-bounds access issue was addressed with improved bounds checking.

— Apple

AppleMobileFileIntegrity. A permissions issue was addressed with additional restrictions.

— Apple

Audio. An out-of-bounds access issue was addressed with improved bounds checking.

— Apple

Audio. An out-of-bounds read was addressed with improved bounds checking.

— Apple

Authentication Services. The issue was addressed with improved UI.

— Apple

Credit

Mickey Jin@@patch1t, Hossein Lotfi@@hosselot(Trend Micro Zero Day Initiative), Michael Reeves@@IntegralPilot, Nikita Sakalouski, Csaba Fitzl@@theevilbit(Kandji), Rosyna Keller(Totally Not Malicious Software), Guilherme Rambo(Best Buddy Apps), Yinyi Wu@@_3ndy1(Dawn Security Lab of JD), @@zlluny(Trend Micro Zero Day Initiative), 이동하 (Lee Dong Ha)(SSA Lab), Keisuke Hosoda, Viktor Oreshkin, Philipp Baldauf, Minghao Lin@@Y1nKoc, Lyutoon@@Lyutoon_, YingQi Shi@@Mas0n, Dawuge(Shuffle Team), Tom Brzezinski, Abhay Kailasia@@abhay_kailasia(C), KPC(Cisco Talos), Evan Waelde, an anonymous researcher, 정답이 아닌 해답, Richard Hyunho Im@@richeeta, Jiwon Park, Noah Gregory (wts.dev), CVE-2025-6965, JZ, Seo Hyun-gyu@@wh1te4ever, Luke Roberts@@rookuu, Jaydev Ahire, Big Bear, Ignacio Sanmillan@@ulexec, Mike Cardwell(grepular), Bob Lord, Pawel Wylecial(REDTEAM)

Affected Software

6 affected componentsFixes available
Apple iOS<26
Apple iPadOS<26
Apple iPadOS<26.0
Apple iPhone OS<26.0
Apple iOS<26
26
Apple iPadOS<26
26

Event History

Sep 15, 2025
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
Description
Updated
via Apple·12:00 AM
DescriptionWeakness
Nov 4, 2025
CVE Published
via MITRE·01:17 AM
Data Sourced
via MITRE·01:17 AM
DescriptionWeakness
Data Sourced
via NVD·02:15 AM
DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2025-43309?

CVE-2025-43309 is considered a moderate severity vulnerability due to the potential for unauthorized access to sensitive notification information.

2

How do I fix CVE-2025-43309?

To mitigate CVE-2025-43309, update your Apple iOS or iPadOS device to version 26 or later.

3

Who is affected by CVE-2025-43309?

CVE-2025-43309 affects any user with physical access to an iOS or iPadOS device running version before 26.

4

What type of vulnerability is CVE-2025-43309?

CVE-2025-43309 is classified as a logic issue that allows accessed notification contents on the Lock Screen.

5

What conditions are necessary for exploiting CVE-2025-43309?

Exploitation of CVE-2025-43309 requires physical access to the affected iOS or iPadOS device.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203