CVE-2021-30848

HIGH 7.8CVE-2021-30848 · Published 19/10/2021 · updated 17/06/2026

In short

CVE-2021-30848 is a HIGH (CVSS 7.8) vulnerability affecting safari (apple).
Chance of exploitation in the next 30 days (EPSS): 1.3%, higher than 69.8% of all vulnerabilities.
Fix: update to 15.0 or later.

Package	Affected versions	Patched versions
safari apple	`< 15.0`	`15.0`

Description

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 14.8 and iPadOS 14.8, Safari 15, iOS 15 and iPadOS 15. Processing maliciously crafted web content may lead to code execution.

References

seclists.org/fulldisclosure/2021/Oct/60 · Mailing List
seclists.org/fulldisclosure/2021/Oct/61 · Mailing List
openwall.com/lists/oss-security/2021/10/26/9 · Mailing List
openwall.com/lists/oss-security/2021/10/27/1 · Mailing List
openwall.com/lists/oss-security/2021/10/27/2 · Mailing List
openwall.com/lists/oss-security/2021/10/27/4 · Mailing List
support.apple.com/en-us/HT212807 · Vendor Advisory
support.apple.com/en-us/HT212814 · Vendor Advisory
support.apple.com/en-us/HT212816 · Vendor Advisory
support.apple.com/kb/HT212869 · Vendor Advisory

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Package

Affected versions

Patched versions

safari

apple

< 15.0

15.0

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