8.8
CVSSv3

CVE-2021-30749

Published: 08/09/2021 Updated: 09/01/2023
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.8 | Impact Score: 5.9 | Exploitability Score: 2.8
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

This vulnerability allows remote malicious users to execute arbitrary code on affected installations of Apple WebKit. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the KeyframeEffect class. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process.

Vulnerability Trend

Vulnerable Product Search on Vulmon Subscribe to Product

apple iphone os

apple safari

apple watchos

apple tvos

apple macos

apple ipados

Vendor Advisories

The following vulnerabilities have been discovered in the webkit2gtk web engine: CVE-2021-21775 Marcin Towalski discovered that a specially crafted web page can lead to a potential information leak and further memory corruption In order to trigger the vulnerability, a victim must be tricked into visiting a malicious webpage CVE-2 ...
A logic issue was addressed with improved state management (CVE-2020-22592) A use after free issue was addressed with improved memory management This issue is fixed in macOS Big Sur 1101, watchOS 71, iOS 142 and iPadOS 142, iCloud for Windows 115, Safari 1401, tvOS 142, iTunes 1211 for Windows Processing maliciously crafted web content ...
No description is available for this CVE ...
A security issue has been found in WebKitGTK and WPE WebKit before 2323 Processing maliciously crafted web content may lead to arbitrary code execution ...

Mailing Lists

<!--X-Body-Begin--> <!--X-User-Header--> Full Disclosure mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> APPLE-SA-2021-05-25-7 tvOS 146 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Apple Product Security vi ...
<!--X-Body-Begin--> <!--X-User-Header--> oss-sec mailing list archives <!--X-User-Header-End--> <!--X-TopPNI--> By Date By Thread </form> <!--X-TopPNI-End--> <!--X-MsgBody--> <!--X-Subject-Header-Begin--> WebKitGTK and WPE WebKit Security Advisory WSA-2021-0004 <!--X-Subject-Header-End--> <!--X-Head-of-Message--> From: Carlos A ...