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TI-2023-09361 Aliases CVE-2023-23529GHSA-c5hw-5p2j-xqg7

Type confusion in Apple iOS and iPadOS

Priority CRITICAL 97Exploited in the wildCWE-843Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 4 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-843 and the CVSS impact.

Summary

A type confusion issue was addressed with improved checks. This issue is fixed in iOS 15.7.4 and iPadOS 15.7.4, iOS 16.3.1 and iPadOS 16.3.1, macOS Ventura 13.2.1, Safari 16.3. 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.

Why it matters now

Exploitation Active In CISA KEV since 2023-02-14CISA due date 2023-03-07
EPSS 0.09426 95th percentileScored 2026-11-07
Fix Partial iOS and iPadOS (Apple): 16.3, 15.7Safari (Apple): 16.3+1 more productRed Hat: 3 advisoriesRed Hat: 4 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 16.316.3Patch availableCNA
AppleSafaribefore 16.316.3Patch availableCNA
ApplemacOSbefore 13.213.2Patch availableCNA
AppleiOS and iPadOSbefore 15.715.7Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
  • Safari VendorApple Affected before 16.3 Fixed in 16.3 Patch available CNA
  • macOS VendorApple Affected before 13.2 Fixed in 13.2 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 15.7 Fixed in 15.7 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 16.3VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.7.4; 16.0 to before 16.3.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.7.4; 16.0 to before 16.3.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.2.1VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.7.4; 16.0 to before 16.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.7.4; 16.0 to before 16.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.2.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.3
  • Fix · CNA Safari (Apple) Fixed in 16.3
  • Fix · CNA macOS (Apple) Fixed in 13.2
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.7

Red Hat 3 advisories

  • RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
  • RHSA-2023:0902 Released 2023-02-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.36.7-1.el8_7.2, webkit2gtk3-devel-2.36.7-1.el8_7.2, webkit2gtk3-jsc-2.36.7-1.el8_7.2 +1
  • RHSA-2023:0903 Released 2023-02-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.36.7-1.el9_1.2, webkit2gtk3-devel-2.36.7-1.el9_1.2, webkit2gtk3-jsc-2.36.7-1.el9_1.2 +1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple macOS 13.2

    28 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 21 LOW

    Other records, highest priority first

    • TI-2023-09347 Buffer overflow in Apple macOSPriority MEDIUM 52
    • TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 28 records →
  • Release ·

    Apple iOS and iPadOS 16.3

    19 records Highest priority Priority CRITICAL 1 CRITICAL, 5 MEDIUM, 13 LOW

    Other records, highest priority first

    • TI-2023-09363 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 43
    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 19 records →
Show 2 more groups
  • Release ·

    Apple iOS and iPadOS 15.7

    8 records Highest priority Priority CRITICAL 1 CRITICAL, 1 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09339 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 36
    • TI-2022-14472 Improper privilege management in Apple iOS and iPadOSPriority LOW 36
    Show all 8 records →
  • Release ·

    Apple Safari 16.3

    4 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM

    Other records, highest priority first

    • TI-2023-09351 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09350 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2023-09331 Code injection in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 4 records →

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:0902
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:0903
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:10364
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:10364

Timeline

  1. 2023-02-14 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-23529
  3. 2026-10-03 Alias added: GHSA-c5hw-5p2j-xqg7

References

Advisory 4

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences