NA

CVE-2021-30661

Vulnerability Summary

macOS Big Sur 11.3

Most Upvoted Vulmon Research Post

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Vulnerability Trend

Vendor Advisories

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 ...

Mailing Lists

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-05-03-2 iOS 1253 iOS 1253 addresses the following issues Information about the security content is also available at supportapplecom/HT212341 WebKit Available for: iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air, iPad mini 2, iPad mini 3, and iPod touch (6th generation) I ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-04-26-6 tvOS 145 tvOS 145 addresses the following issues Information about the security content is also available at supportapplecom/HT212323 AppleMobileFileIntegrity Available for: Apple TV 4K and Apple TV HD Impact: A malicious application may be able to bypass Privacy ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-04-26-5 watchOS 74 watchOS 74 addresses the following issues Information about the security content is also available at supportapplecom/HT212324 AppleMobileFileIntegrity Available for: Apple Watch Series 3 and later Impact: A malicious application may be able to bypass ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-04-26-1 iOS 145 and iPadOS 145 iOS 145 and iPadOS 145 addresses the following issues Information about the security content is also available at supportapplecom/HT212317 Accessibility Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad ...
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-04-26-2 macOS Big Sur 113 macOS Big Sur 113 addresses the following issues Information about the security content is also available at supportapplecom/HT212325 APFS Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: ...

Recent Articles

Apple Fixes Zero‑Day Security Bugs Under Active Attack
Threatpost • Lisa Vaas • 04 May 2021

Apple has issued out-of-band patches for critical security issues affecting iPad, iPhone and iPod, which could allow remote code execution (RCE) and other attacks, completely compromising users’ systems. And, the computing giant thinks all of them may have already been exploited in the wild. 
Three of these are zero-day flaws, while one is an expanded patch for a fourth vulnerability. 
Apple keeps details of security problems close to the vest, “for our customers’ protection,...

Apple patches severe macOS security flaw
welivesecurity • 27 Apr 2021

Apple has rolled out an update for its macOS Big Sur operating system to address a bevy of security flaws, including a vulnerability that could allow malware to circumvent the operating system’s built-in protection mechanisms.
The vulnerability, tracked as CVE-2021-30657, could allow a malicious actor to craft a payload that could bypass Gatekeeper – the security feature in macOS that enforces code signing and verifies downloaded applications in order to help keep malware off Mac dev...

The Register

In Brief Apple on Monday patched security flaws in its software said to have been exploited in the wild by miscreants to hijack gear.
WebKit, fixed in macOS Big Sur 11.3.1, can be tricked into executing arbitrary code by processing malicious web content – a bad webpage can take over the browser, in other words. "Apple is aware of a report that this issue may have been actively exploited," it said in its advisory.
Specifically, there are two bugs: memory corruption flaw CVE-2021-306...