Arbitrary code execution via WebKit use-after-free
Published Jun 23, 2023 · Updated Oct 21, 2025
Use-after-free in WebKit in affected Apple products allows remote attackers to execute arbitrary code via malicious web content. Apple has not disclosed the object or function involved; WebKit accesses memory after its object is freed while processing attacker-controlled content. Execution requires a user to render the crafted content, and successful exploitation compromises the affected WebKit process.
Summary
What happened
Use-after-free in WebKit in affected Apple products allows remote attackers to execute arbitrary code via malicious web content. Apple has not disclosed the object or function involved; WebKit accesses memory after its object is freed while processing attacker-controlled content. Execution requires a user to render the crafted content, and successful exploitation compromises the affected WebKit process.
The record
- CVE
- CVE-2023-32373
- Published
- Jun 23, 2023
- Updated
- Oct 21, 2025
- Vendor
- Apple
- Product
- iOS and iPadOS
- Classifications
- CWE-416, T1203
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 23, 2023CVE publishedPublication date reported by the CVE source.
- Oct 21, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=unspecified <15.7
- Affected versionversion=unspecified <16.5
What conditions does exploitation require?
What is affected?
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Reported exploitation
- Apple reported active exploitationreported exploitation
- CISA Known Exploited Vulnerabilities catalog entryknown exploited catalog
Technologies
Your stack
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Your stack
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