Service interruption via undisclosed libxpc logic error
Published Jul 27, 2023 · Updated Feb 13, 2025
A logic error in Apple libxpc on affected iOS, iPadOS, macOS, and watchOS releases lets local users cause denial of service via an app. Apple has not disclosed the faulty libxpc operation or the input that reaches it, stating only that improved checks corrected the logic issue. Exploitation requires a local app and user interaction; the documented consequence is limited to service interruption.
Summary
What happened
A logic error in Apple libxpc on affected iOS, iPadOS, macOS, and watchOS releases lets local users cause denial of service via an app. Apple has not disclosed the faulty libxpc operation or the input that reaches it, stating only that improved checks corrected the logic issue. Exploitation requires a local app and user interaction; the documented consequence is limited to service interruption.
The record
- CVE
- CVE-2023-38593
- Published
- Jul 27, 2023
- Updated
- Feb 13, 2025
- Vendor
- Apple
- Product
- iOS and iPadOS
- Classifications
- T1499
- Attack vector
- local
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jul 27, 2023CVE publishedPublication date reported by the CVE source.
- Feb 13, 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 <16.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
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.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
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Technologies
Your stack
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Your stack
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