CVE-2023-32434
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS...
CVE-2023-32434 is a high vulnerability (CVSS 7.8) in Apple Ipados, published June 23, 2023. CISA lists it as known to be exploited, since June 23, 2023. EUVD reports exploitation since June 23, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 58.2%, the 99th percentile. No source names a fixed version.
- Severity
- 7.8 HighCVSS 3.1, NVD
- Exploit chance
- 58.2%EPSS, 99th percentile
- Exploitation
- ExploitedCISA KEV,
- Fixed in
- No fix listedNo source names one
Description
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | alfiecg24/Trigon | 2025-03-01 |
| PoC in GitHub | rkrakesh524/oob_entry | 2025-08-13 |
What each source reports
NVD Score used
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- Record
CVE-2023-32434- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- Record
CVE-2023-32434- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2023-36678
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 9.5.2, macOS Big Sur 11.7.8, iOS 15.7.7 and iPadOS 15.7.7, macOS Monterey 12.6.7, watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, macOS Ventura 13.4.1. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- Record
EUVD-2023-36678- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-4pvh-jrgh-mpvj
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS...
An integer overflow was addressed with improved input validation. This issue is fixed in watchOS 8.8.1, iOS 16.5.1 and iPadOS 16.5.1, iOS 15.7.7 and iPadOS 15.7.7, macOS Big Sur 11.7.8, macOS Monterey 12.6.7, macOS Ventura 13.4.1, watchOS 9.5.2. An app may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.7.
- Record
GHSA-4pvh-jrgh-mpvj- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
CISA KEVNo score
Apple Multiple Products Integer Overflow Vulnerability
Apple iOS. iPadOS, macOS, and watchOS contain an integer overflow vulnerability that could allow an application to execute code with kernel privileges.
- Record
CVE-2023-32434- Weakness
- CWE-190
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, NVD, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
support.apple.com/en-us/HT213810
Show 13 moreShow less
seclists.org/fulldisclosure/2023/Oct/20
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-32434
nvd.nist.gov/vuln/detail/CVE-2023-32434
github.com/advisories/GHSA-4pvh-jrgh-mpvj