CVE-2021-30800: Input Validation

Published Sep 8, 2021
·
Updated

ActionKit. An input validation issue was addressed with improved input validation.

Other sources

Analytics. This issue was addressed with a new entitlement.

— Apple

Audio. This issue was addressed with improved checks.

— Apple

AVEVideoEncoder. A memory corruption issue was addressed with improved state management.

— Apple

CoreAudio. A logic issue was addressed with improved validation.

— Apple

CoreAudio. A memory corruption issue was addressed with improved state management.

— Apple

Credit

Zachary Keffaber@@QuickUpdate5, Denis Tokarev@@illusionofcha0s, tr3e, George Nosenko, JunDong Xie(Ant Security Light), ryuzaki, Mickey Jin@@patch1t(Trend Micro), Sunglin(Knownsec 404 team), Yizhuo Wang(Group of Software Security In Progress), Tim Michaud@@TimGMichaud(Zoom Video Communications), Linus Henze (pinauten.de), Csaba Fitzl@@theevilbit(Offensive Security), tr3e(Trend Micro Zero Day Initiative), hjy79425575(Trend Micro Zero Day Initiative), Matthew Denton(Google Chrome Security), Jzhu(Baidu Security), Ye Zhang@@co0py_Cat(Baidu Security), CFF(Topsec Alpha Team), CVE-2021-3518, CVE-2018-25010, CVE-2018-25011, CVE-2018-25014, CVE-2020-36328, CVE-2020-36329, CVE-2020-36330, CVE-2020-36331, Anonymous(Trend Micro Zero Day Initiative), Christoph Guttandin(Media Codings), Sergei Glazunov(Google Project Zero), Ivan Fratric(Google Project Zero), vm_call, Nozhdar Abdulkhaleq Shukri

Affected Software

3 affected componentsFixes available
Apple iPhone OS<14.7
Apple iOS<14.7
14.7
Apple iPadOS<14.7
14.7

Event History

Sep 8, 2021
CVE Published
via MITRE·01:38 PM
Data Sourced
via MITRE·01:38 PM
DescriptionWeakness
Feb 24, 2026
Data Sourced
via Apple·07:00 PM
DescriptionWeaknessAffected Software
Updated
via Apple·07:00 PM
DescriptionWeakness

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-2021-30800?

The severity of CVE-2021-30800 is rated as high with a score of 8.8 on the CVSS scale.

2

How do I fix CVE-2021-30800?

To fix CVE-2021-30800, ensure that your Apple iPhone OS, iOS, or iPadOS is updated to the latest version provided by Apple.

3

What types of vulnerabilities are associated with CVE-2021-30800?

CVE-2021-30800 is associated with input validation issues, race conditions, integer overflows, use after free, and buffer overflow vulnerabilities.

4

What systems are affected by CVE-2021-30800?

CVE-2021-30800 affects devices running Apple iPhone OS, Apple iOS, and Apple iPadOS.

5

Is CVE-2021-30800 considered critical?

CVE-2021-30800 is considered high risk but is not categorized as critical compared to other vulnerabilities.

Company

Resources

Contact

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