Home/CVE/Apple iOS and macOS Out-of-Bounds Write Vulnerability
CVE

CVE-2022-32893

Apple iOS and macOS Out-of-Bounds Write Vulnerability

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.

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.00088
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

8
apple safari< 15.6.1
apple ipados< 15.6.1
apple iphone os< 15.6.1
apple macos>= 12.0 and < 12.5.1
fedoraproject fedoraall versions
debian linuxall versions
webkitgtk< 2.36.7
wpewebkit wpe webkit< 2.36.7
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Microsoft Office Child Process - MacOS
producthighRemote Access Tool - Renamed MeshAgent Execution - MacOS
producthighBinary Padding - MacOS
productmediumSuspicious Execution via macOS Script Editor
productmediumSystem Information Discovery Via Sysctl - MacOS
productmediumNew File Exclusion Added To Time Machine Via Tmutil - MacOS
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · product-security@apple.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Aug 2022 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

9
rhsaRHSA-2025:10364Important
suse-csafSUSE-SU-2022:3351-1
suse-csafSUSE-SU-2022:3352-1
usnUSN-5611-1
suse-csafSUSE-SU-2022:3136-1
🔗

References & Sources

18
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2022/Aug/16Mailing ListThird Party Advisory
http://seclists.org/fulldisclosure/2022/Oct/49Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/5Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/26/2Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/29/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/29/2Mailing ListThird Party Advisory
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