PT-2021-5659 · Apple+8 · Tvos+14

Webin · Published 2021-08-24 · Updated 2026-03-13 · CVE-2021-30952

Positive Technologies · (AI Summary)

CVSS v3.1

8.8

8.8

High

Base vector

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions tvOS versions prior to 15.2 macOS Monterey versions prior to 12.1 Safari versions prior to 15.2 iOS versions prior to 15.2 iPadOS versions prior to 15.2 watchOS versions prior to 8.3

Description An integer overflow issue has been addressed with improved input validation. Processing maliciously crafted web content may lead to arbitrary code execution. The issue is related to the processing of web content and may allow an attacker to execute arbitrary code.

Recommendations For tvOS versions prior to 15.2, update to tvOS 15.2 or later. For macOS Monterey versions prior to 12.1, update to macOS Monterey 12.1 or later. For Safari versions prior to 15.2, update to Safari 15.2 or later. For iOS versions prior to 15.2, update to iOS 15.2 or later. For iPadOS versions prior to 15.2, update to iPadOS 15.2 or later. For watchOS versions prior to 8.3, update to watchOS 8.3 or later.

Exploit

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALSA-2022:1777

BDU:2022-00098

CESA-2022_1777

CVE-2021-30952

DSA-5060-1

DSA-5061-1

MGASA-2022-0034

OPENSUSE-SU-2022:0705-1

OPENSUSE-SU-2022_0705-1

RHSA-2022:1777

RHSA-2022_1777

RHSA-2025:10364

RLSA-2022:1777

SUSE-SU-2022:0690-1

SUSE-SU-2022:0703-1

SUSE-SU-2022:0705-1

USN-5255-1

Affected Products

Almalinux

Astra Linux

Centos

Linuxmint

Apple Macos

Red Hat

Rocky Linux

Safari

Suse

Ubuntu

Ios

Ipados

Macos Monterey

Tvos

Watchos

References · 144

• 🔥 https://cloud.google.com/blog/topics/threat-intelligence/coruna-powerful-ios-exploit-kit · Exploit
• https://osv.dev/vulnerability/DSA-5061-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30934 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-30952 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30936 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5060-1 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2022-1777.html · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-00098 · Security Note
• https://ubuntu.com/security/CVE-2021-30984 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/672947 · Security Note
• https://cve.org/CVERecord?id=CVE-2021-30952 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2022:0705-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:0703-1 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HQKWD4BXRDD2YGR5AVU7H5J5PIQIEU6V · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-30954 · Vendor Advisory