Apple · iOS and macOS
CVE-2022-32893
Apple iOS and macOS Out-of-Bounds Write Vulnerability
What it is
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.6.1 and iPadOS 15.6.1, macOS Monterey 12.5.1, Safari 15.6.1. 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.
CISA: Apple iOS and macOS contain an out-of-bounds write vulnerability that could allow for remote code execution when processing malicious crafted web content.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: September 8, 2022
- Added to the CISA list
- August 18, 2022
- Published
- August 24, 2022
- Severity
- High 8.8 CVSS 3.1
- Chance of attacks in the next 30 days (EPSS)
- 9.9% in the top 4.4% of all known vulnerabilities
- Weakness
- CWE-20 CWE-787
- More details
- NVD · CVE.org · CISA
All references (17)
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SETAAXEPGNB…
- https://www.debian.org/security/2022/dsa-5220
- https://www.debian.org/security/2022/dsa-5219
- https://security.gentoo.org/glsa/202208-39
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKJGV2EXVMYQ…
- https://support.apple.com/en-us/HT213414
- https://support.apple.com/en-us/HT213412
- https://support.apple.com/en-us/HT213413
- http://www.openwall.com/lists/oss-security/2022/08/25/5
- http://www.openwall.com/lists/oss-security/2022/08/26/2
- http://www.openwall.com/lists/oss-security/2022/08/29/1
- http://www.openwall.com/lists/oss-security/2022/08/29/2
- https://lists.debian.org/debian-lts-announce/2022/08/msg00019.html
- http://seclists.org/fulldisclosure/2022/Aug/16
- http://www.openwall.com/lists/oss-security/2022/09/02/10
- http://www.openwall.com/lists/oss-security/2022/09/13/1
- http://seclists.org/fulldisclosure/2022/Oct/49
More exploited flaws from Apple
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Aug 18, 2022 | Out-of-Bounds Write | iOS and macOS | High 7.8 | 3.3% |
| Jan 28, 2022 | Memory Corruption | iOS and macOS | Critical 9.8 | 12% |
| Nov 3, 2021 | Group Facetime | iOS and macOS | High 7.5 | 2.6% |
| Sep 29, 2026 | Out-of-Bounds Write | Multiple Products | High 8.8 | 26% |
| Aug 18, 2026 | Improper Authentication | macOS | Critical 9.8 | 1.7% |
| Mar 20, 2026 | Buffer Overflow | Multiple Products | High 8.8 | 1.7% |
| Mar 20, 2026 | Improper Locking | Multiple Products | High 7.8 | 0.4% |
| Mar 20, 2026 | Classic Buffer Overflow | Multiple Products | Medium 5.5 | 0.4% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.