PT-2021-18911

CVE-2021-30848

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Published

2021-09-20

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Updated

2026-10-31

Description by

CVSS 3.1
7.8
High
MetricsAV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions iOS versions prior to 14.8 iPadOS versions prior to 14.8 Safari versions prior to 15 iOS versions prior to 15 iPadOS versions prior to 15
Description A memory corruption issue was addressed with improved memory handling. Processing maliciously crafted web content may lead to code execution.
Recommendations For iOS versions prior to 14.8, update to iOS 14.8 or later. For iPadOS versions prior to 14.8, update to iPadOS 14.8 or later. For Safari versions prior to 15, update to Safari 15 or later. For iOS versions prior to 15, update to iOS 15 or later. For iPadOS versions prior to 15, update to iPadOS 15 or later.
Exploitability
Exploit
Fix
Impacts
Researchers
Vendors
Affected products
Weakness enumeration
Related identifiers
ALSA-2022:1777
CESA-2022_1777
CLEANSTART-2024-ZT63757
DSA-4975-1
DSA-4976-1
MGASA-2021-0498
OPENSUSE-SU-2022:0182-1
OPENSUSE-SU-2022_0182-1
OPENSUSE-SU-2022_0182-2
RHSA-2022:1777
RHSA-2022_1777
RHSA-2025:10364
RLSA-2022:1777
SUSE-SU-2022:0142-1
SUSE-SU-2022:0182-1
SUSE-SU-2022:0182-2
SUSE-SU-2022:0183-1
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