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HistoryDec 14, 2021 - 12:00 a.m.

About the security content of Safari 15.2

2021-12-1400:00:00
support.apple.com
223

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.008 Low

EPSS

Percentile

81.1%

About the security content of Safari 15.2

This document describes the security content of Safari 15.2.

About Apple security updates

For our customers’ protection, Apple doesn’t disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

Apple security documents reference vulnerabilities by CVE-ID when possible.

For more information about security, see the Apple Product Security page.

Safari 15.2

Released December 14, 2021

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A buffer overflow issue was addressed with improved memory handling.

CVE-2021-30934: Dani Biro

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A use after free issue was addressed with improved memory management.

CVE-2021-30936: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab

CVE-2021-30951: Pangu via Tianfu Cup

Entry updated May 25, 2022

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: An integer overflow was addressed with improved input validation.

CVE-2021-30952: @18f and @jq0904 of DBAPP Security‘s weibin lab via Tianfu Cup

Entry updated May 25, 2022

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A race condition was addressed with improved state handling.

CVE-2021-30984: Kunlun Lab via Tianfu Cup

Entry updated May 25, 2022

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: An out-of-bounds read was addressed with improved bounds checking.

CVE-2021-30953: Jianjun Dai of 360 Vulnerability Research Institute via Tianfu Cup

Entry updated May 25, 2022

WebKit

Available for: macOS Big Sur and macOS Catalina

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: A type confusion issue was addressed with improved memory handling.

CVE-2021-30954: Kunlun Lab via Tianfu Cup

Entry updated May 25, 2022

Additional recognition

WebKit

We would like to acknowledge Peter Snyder of Brave and Soroush Karami for their assistance.

Entry added May 25, 2022

Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Contact the vendor for additional information.

Published Date: November 03, 2023

CPENameOperatorVersion
safarilt15.2
Use Vulners API to create your own security tool

API usage cases
  • Network scanning
  • Linux Patch management
  • Threat protection
  • No network audit solution

Ways of integration

Integrate Vulners API

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.2 High

AI Score

Confidence

Low

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.008 Low

EPSS

Percentile

81.1%

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