CVE-2021-30802: Use After Free

Published Jul 19, 2021
·
Updated

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 14.7, tvOS 14.7. Processing maliciously crafted web content may lead to arbitrary code execution.

Other sources

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

— Apple

Analytics. A logic issue was addressed with improved restrictions.

— Apple

Analytics. This issue was addressed with a new entitlement.

— Apple

App Store. A permissions issue was addressed with improved validation.

— Apple

Audio. This issue was addressed with improved checks.

— Apple

Credit

Matthew Denton(Google Chrome Security), 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), 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, Zachary Keffaber@@QuickUpdate5, Denis Tokarev@@illusionofcha0s, tr3e

Affected Software

5 affected componentsFixes available
Apple tvOS<14.7
14.7
Apple iPhone OS<14.7
Apple tvOS<14.7
Apple iOS<14.7
14.7
Apple iPadOS<14.7
14.7

Event History

Jul 19, 2021
Data Sourced
via Apple·12:00 AM
DescriptionWeaknessAffected Software
Updated
via Apple·12:00 AM
DescriptionWeakness
Sep 8, 2021
CVE Published
via MITRE·01:49 PM
Data Sourced
via MITRE·01:49 PM
DescriptionWeakness
Feb 24, 2026
Updated
via Apple·07:00 PM
DescriptionWeaknessAffected Software
Updated
via Apple·07:00 PM
DescriptionAffected 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 CVE-2021-30802?

CVE-2021-30802 is a vulnerability related to image processing in Apple tvOS 14.7.

2

What is the severity of CVE-2021-30802?

The severity of CVE-2021-30802 is not specified in the provided information.

3

How does CVE-2021-30802 affect Apple tvOS?

CVE-2021-30802 affects Apple tvOS 14.7 by causing a use after free issue related to image processing.

4

How is CVE-2021-30802 fixed in Apple tvOS 14.7?

CVE-2021-30802 is fixed in Apple tvOS 14.7 through improved memory management.

5

Where can I find more information about CVE-2021-30802?

More information about CVE-2021-30802 can be found at the following reference: [https://support.apple.com/en-us/HT212604](https://support.apple.com/en-us/HT212604)

Company

Resources

Contact

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