CVE-2026-28967: Buffer Overflow

Published Mar 24, 2026
·
Updated

802.1X. An authentication issue was addressed with improved state management.

Other sources

A denial-of-service issue was addressed with improved input validation. This issue is fixed in iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4. An attacker in a privileged network position may be able to cause a denial-of-service.

— MITRE

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

— Apple

App Protection. The issue was addressed with improved checks.

— Apple

AppleKeyStore. A use after free issue was addressed with improved memory management.

— Apple

Audio. A type confusion issue was addressed with improved memory handling.

— Apple

Credit

Tuan D. Hoang, Hazem Issa, Yongdae Kim @ KAIST SysSec Lab, Alvin Aries Tapia, an anonymous researcher, Cristian Dinca (icmd.tech), Hossein Lotfi@@hosselot(TrendAI Zero Day Initiative), Etienne Charron (Renault), Victoria Martini (Renault), Zhongcheng Li(IES Red Team), CVE-2025-14524, Andreas Jaegersberger & Ro Achterberg(Nosebeard Labs), XiguaSec, CVE-2025-64505, Gor Aleksanyan(BoB 0xB6), Dhiyanesh Selvaraj@@redroot97(BoB 0xB6), 이동하 (Lee Dong Ha(BoB 0xB6), Jian Lee@@speedyfriend433, DARKNAVY@@DarkNavyOrg, Johnny Franks@@zeroxjf, Ilya Andr (andrd3v)(Voynich Group), Ilias Morad (A2nkF)(Voynich Group), Duy Trần@@khanhduytran0, @@hugeBlack, Himanshu Bharti@@Xpl0itme(Khatima), wdszzml, Atuin Automated Vulnerability Discovery Engine, Guy Dor, Gongyu Ma@@Mezone0, Alex Radocea, Yongdae Kim @ SysSec, KAIST, Caspian Tarafdar, Andrew Becker, webb, Thomas Espach, @@hamayanhamayan, Yeonghyeon Choi, Daniel Rhea, Söhnke Benedikt Fischedick (Tripton), Emrovsky & Switch3301, Yevhen Pervushyn, Minse Kim, Narcis Oliveras Fontàs, Nathaniel Oh@@calysteon, Hongze Wu(Ant Group Infrastructure Security Team), Shuaike Dong(Ant Group Infrastructure Security Team), greenbynox, Arni Hardarson, Héloïse Gollier, Mathy Vanhoef (KU Leuven), Rosyna Keller(Totally Not Malicious Software), Adrián Pérez Martínez, Uluk Abylbekov, Zack Tickman, Justin Cohen(Google), Jex Amro, Johnny Franks (zeroxjf), Kirin@@Pwnrin, iG0x72(XiguaSec), JJ(XiguaSec), Lehan Dilusha Jayasinghe, Mike Cardwell(grepular), Bob Lord

Affected Software

10 affected componentsFixes available
Apple iOS<18.7.7, <26.4
Apple iPadOS<18.7.7, <26.4
Apple iOS<26.4
26.4
Apple iPadOS<26.4
26.4
Apple iOS<18.7.7
18.7.7
Apple iPadOS<18.7.7
18.7.7
Apple iPadOS<18.7.7
Apple iPadOS>=26.0<26.4
Apple iPhone OS<18.7.7
Apple iPhone OS>=26.0<26.4

Event History

Mar 24, 2026
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Updated
via Apple·12:00 AM
Description
May 11, 2026
CVE Published
via MITRE·08:08 PM
Data Sourced
via MITRE·08:08 PM
DescriptionWeakness
Data Sourced
via NVD·09:18 PM
DescriptionSeverityWeaknessAffected Software
May 12, 2026
Updated
via Apple·06:36 PM
DescriptionWeaknessAffected 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-2026-28967?

CVE-2026-28967 has been rated as a denial-of-service vulnerability.

2

How do I fix CVE-2026-28967?

To fix CVE-2026-28967, update your device to iOS 18.7.7, iPadOS 18.7.7, iOS 26.4, or iPadOS 26.4.

3

What devices are affected by CVE-2026-28967?

CVE-2026-28967 affects Apple iOS and iPadOS versions up to 18.7.7 and 26.4.

4

What type of attack can exploit CVE-2026-28967?

CVE-2026-28967 can be exploited by an attacker in a privileged network position to cause denial-of-service.

5

Is it safe to use devices with CVE-2026-28967 without the update?

Using devices with CVE-2026-28967 without the update poses a risk of denial-of-service.

Company

Resources

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