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TI-2023-19062 Aliases CVE-2023-37450GHSA-v874-wp44-mhr4

Apple Safari: Processing web content may lead to arbitrary code execution

Priority CRITICAL 97Exploited in the wildPublished · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
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.

Summary

The issue was addressed with improved checks. This issue is fixed in iOS 16.6 and iPadOS 16.6, Safari 16.5.2, tvOS 16.6, macOS Ventura 13.5, watchOS 9.6. Processing 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 2023-07-13CISA due date 2023-08-03
EPSS 0.1895 97th percentileScored 2026-11-07
Fix Partial Safari (Apple): 16.5tvOS (Apple): 16.6+3 more productsRed 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
AppleSafaribefore 16.516.5Patch availableCNA
AppletvOSbefore 16.616.6Patch availableCNA
AppleiOS and iPadOSbefore 16.616.6Patch availableCNA
ApplemacOSbefore 13.513.5Patch availableCNA
ApplewatchOSbefore 9.69.6Patch availableCNA
  • Safari VendorApple Affected before 16.5 Fixed in 16.5 Patch available CNA
  • tvOS VendorApple Affected before 16.6 Fixed in 16.6 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.6 Fixed in 16.6 Patch available CNA
  • macOS VendorApple Affected before 13.5 Fixed in 13.5 Patch available CNA
  • watchOS VendorApple Affected before 9.6 Fixed in 9.6 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 16.5.2VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 16.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 16.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*13.0 to before 13.5VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 16.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 9.6VulnerableApple
cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:*before 2.42.3VulnerableWebKitGTK
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.5.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 13.0 to before 13.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 9.6 Vulnerable ·Apple
  • cpe:2.3:a:webkitgtk:webkitgtk\+:*:*:*:*:*:*:*:* Versions before 2.42.3 Vulnerable ·WebKitGTK

Remediation

  • Fix · CNA Safari (Apple) Fixed in 16.5
  • Fix · CNA tvOS (Apple) Fixed in 16.6
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.6
  • Fix · CNA macOS (Apple) Fixed in 13.5
  • Fix · CNA watchOS (Apple) Fixed in 9.6

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-2023:4202 Released 2023-07-18 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.38.5-1.el8_8.5, webkit2gtk3-devel-2.38.5-1.el8_8.5, webkit2gtk3-jsc-2.38.5-1.el8_8.5 +1
  • RHSA-2023:4201 Released 2023-07-18 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.38.5-1.el9_2.3, webkit2gtk3-devel-2.38.5-1.el9_2.3, webkit2gtk3-jsc-2.38.5-1.el9_2.3 +1

Fixed in the same release

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

  • Release ·

    Apple macOS 13.5

    11 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 2 MEDIUM, 7 LOW

    Other records, highest priority first

    • TI-2023-19978 Apple tvOS: An app may be able to modify sensitive kernel statePriority HIGH 82
    • TI-2023-19966 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
    • TI-2023-19969 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 40
    Show all 11 records →
  • Release ·

    Apple iOS and iPadOS 16.6

    9 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 2 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2023-19978 Apple tvOS: An app may be able to modify sensitive kernel statePriority HIGH 82
    • TI-2023-19966 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
    • TI-2023-19969 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 40
    Show all 9 records →
Show 1 more group
  • Release ·

    Apple tvOS, watchOS 16.6, 9.6

    6 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 1 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2023-19978 Apple tvOS: An app may be able to modify sensitive kernel statePriority HIGH 82
    • TI-2023-19966 Apple Safari: Processing web content may lead to arbitrary code executionPriority MEDIUM 41
    • TI-2023-15720 Use after free in Apple tvOSPriority LOW 36
    Show all 6 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: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:4202
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:4201
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. 2023-07-13 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-37450
  3. 2026-10-03 Alias added: GHSA-v874-wp44-mhr4

References

Advisory 6

  • 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