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TI-2023-21269 Aliases CVE-2023-40451GHSA-p489-ffhp-rw3f

Apple Safari: An attacker with JavaScript execution may be able to execute arbitrary code

Priority MEDIUM 42Published · 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 · NVD. Fix status from CNA and Red Hat.

Summary

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 17. An attacker with JavaScript execution may be able to execute arbitrary code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01085 65th percentileScored 2026-11-07
Fix Partial Safari (Apple): 17Red Hat: 3 advisoriesRed Hat: 4 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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 1717Patch availableCNA
  • Safari VendorApple Affected before 17 Fixed in 17 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 17.0VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 17.0 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 17

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-2023:7055 Released 2023-11-14 · Red Hat rating Important
    webkit2gtk3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.40.5-1.el8, webkit2gtk3-devel-2.40.5-1.el8, webkit2gtk3-jsc-2.40.5-1.el8 +1
  • RHSA-2023:6535 Released 2023-11-07 · Red Hat rating Important
    webkit2gtk3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.40.5-1.el9, webkit2gtk3-devel-2.40.5-1.el9, webkit2gtk3-jsc-2.40.5-1.el9 +1

Fixed in the same release

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

  • Release ·

    Apple Safari 17

    4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2023-21698 Code injection in Apple iOS and iPadOSPriority MEDIUM 47
    • TI-2023-17546 Apple iOS and iPadOS: Processing web content may lead to arbitrary code executionPriority MEDIUM 43
    • TI-2023-21235 Apple iOS and iPadOS: Visiting a website that frames malicious content may lead to UI…Priority LOW 26
    Show all 4 records →

Vendor assessments

Red Hat

Red Hat rating: Moderate. 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: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2023:7055
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:6535
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. 2026-10-02 Threatist record created from CVE-2023-40451
  2. 2026-10-03 Alias added: GHSA-p489-ffhp-rw3f

References

Advisory 2

Other 2

  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-28228 Use after free in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2025-22512 Memory corruption in Apple Safari KEVCVSS 3.1HIGH 8.8
  • TI-2025-12953 Memory corruption in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2025-05957 Improper input validation in Google Chrome KEVCVSS 3.1HIGH 8.8
  • TI-2024-29863 Apple Safari: Processing maliciously crafted web content may lead to arbitrary code… KEVCVSS 3.1HIGH 8.8
See all 1693 →

Sources

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