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

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.

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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 ...

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-05-25-1 iOS 146 and iPadOS 146 iOS 146 and iPadOS 146 addresses the following issues Information about the security content is also available at supportapplecom/HT212528 Audio Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th gen ...

CWE-787 https://support.apple.com/en-us/HT212529 https://support.apple.com/en-us/HT212528 https://support.apple.com/en-us/HT212534 https://support.apple.com/en-us/HT212532 https://support.apple.com/en-us/HT212533 https://nvd.nist.gov https://www.debian.org/security/2021/dsa-4945 https://www.zerodayinitiative.com/advisories/ZDI-21-761/

CVE-2021-30749

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