A memory corruption issue was addressed with improved state management.
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Listed in CISA KEV
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Actively exploited
- Fix
- Fixed in 11.3, 14.5, 7.4, 12.5, 14.6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
Apple's iPhone, iPad, Apple Watch, Apple TV, and Mac operating systems are affected. A memory corruption flaw could let an attacker run arbitrary code on a device when it processes maliciously crafted web content.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
A memory corruption issue was addressed with improved state management. This issue is fixed in watchOS 7.4.1, iOS 14.5.1 and iPadOS 14.5.1, tvOS 14.6, iOS 12.5.3, macOS Big Sur 11.3.1. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..
Timeline
- CVE published
- Added to CISA KEV
CISA has evidence of exploitation in the wild
- CISA remediation deadline
Due date for US federal agencies to patch
- Record last updated
Affected versions
- Apple macOS
From unspecified · fixed in 11.3
- Apple macOS
From unspecified · fixed in 14.5
- Apple macOS
From unspecified · fixed in 7.4
- Apple macOS
From unspecified · fixed in 12.5
- Apple macOS
From unspecified · fixed in 14.6
References 5
Questions about CVE-2021-30665
What does this mean?
A memory corruption issue was addressed with improved state management. Processing maliciously crafted web content may lead to arbitrary code execution.Source: support.apple.com
Am I affected, and how do I check?
The listed product is Apple macOS, with fixed versions 7.4, 11.3, 12.5, 14.5 and 14.6, and the introduced version is unspecified. To check a Mac, open the Apple menu and choose About This Mac to see the installed version.Source: support.apple.com
What should I do about it?
Install the fixed macOS update for your release line, as listed in Apple's security content. The advisory's fix section names tvOS 14.6, so confirm the macOS target in Apple's advisory before updating.Source: support.apple.com
Is it being exploited?
Yes. CISA added it to its Known Exploited Vulnerabilities catalog on 2021-11-03, which means it has evidence of attacks. No public exploit code is tracked.Source: cisa.gov, cve.now feed data