CVE-2026-28875: Buffer Overflow

Q: What is the severity of CVE-2026-28875?

CVE-2026-28875 has a severity rating that indicates a potential for denial-of-service due to authentication and buffer overflow issues.

Q: How do I fix CVE-2026-28875?

To fix CVE-2026-28875, update your device to iOS 26.4 or iPadOS 26.4.

Q: What types of devices are affected by CVE-2026-28875?

CVE-2026-28875 affects devices running iOS and iPadOS versions prior to 26.4.

Q: What types of attacks can CVE-2026-28875 enable?

CVE-2026-28875 may enable remote attackers to perform denial-of-service attacks.

Q: What improvements were made in CVE-2026-28875?

CVE-2026-28875 includes improvements in state management and bounds checking to address identified vulnerabilities.

Published Mar 24, 2026

Updated

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

Other sources

A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 26.4 and iPadOS 26.4. A remote attacker 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

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

— Apple

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

— 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

Affected Software

4 affected componentsFixes available

Apple iOS<26.4

26.4

Apple iPadOS<26.4

26.4

Apple iPadOS<26.4

Apple iPhone OS<26.4

Event History

Mar 24, 2026

Data Sourced

via Apple·12:00 AM

DescriptionWeaknessAffected Software

Updated

via Apple·12:00 AM

DescriptionWeakness

Mar 25, 2026

CVE Published

via MITRE·12:32 AM

Data Sourced

via MITRE·12:32 AM

DescriptionWeakness

Data Sourced

via NVD·01:17 AM

DescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

APPLE-126792

Frequently Asked Questions

What is the severity of CVE-2026-28875?

CVE-2026-28875 has a severity rating that indicates a potential for denial-of-service due to authentication and buffer overflow issues.

How do I fix CVE-2026-28875?

To fix CVE-2026-28875, update your device to iOS 26.4 or iPadOS 26.4.

What types of devices are affected by CVE-2026-28875?

CVE-2026-28875 affects devices running iOS and iPadOS versions prior to 26.4.

What types of attacks can CVE-2026-28875 enable?

CVE-2026-28875 may enable remote attackers to perform denial-of-service attacks.

What improvements were made in CVE-2026-28875?

CVE-2026-28875 includes improvements in state management and bounds checking to address identified vulnerabilities.

CVE-2026-28875: Buffer Overflow

Other sources

Credit

Affected Software

Event History

Parent advisories

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Frequently Asked Questions

What is the severity of CVE-2026-28875?

How do I fix CVE-2026-28875?

What types of devices are affected by CVE-2026-28875?

What types of attacks can CVE-2026-28875 enable?

What improvements were made in CVE-2026-28875?

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