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TI-2024-18463 Aliases CVE-2024-27850GHSA-xf4m-339r-jvfr

Apple Safari: A maliciously crafted webpage may be able to fingerprint the user

Priority LOW 38CWE-359Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-359.

Summary

This issue was addressed with improvements to the noise injection algorithm. This issue is fixed in Safari 17.5, iOS 17.5 and iPadOS 17.5, macOS Sonoma 14.5, visionOS 1.2. A maliciously crafted webpage may be able to fingerprint the user.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0065 51st percentileScored 2026-11-07
Fix Fixed Safari (Apple): 17.5iOS and iPadOS (Apple): 17.5+2 more products

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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 17.517.5Patch availableCNA
AppleiOS and iPadOSbefore 17.517.5Patch availableCNA
ApplemacOSbefore 14.514.5Patch availableCNA
ApplevisionOSbefore 1.21.2Patch availableCNA
  • Safari VendorApple Affected before 17.5 Fixed in 17.5 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 17.5 Fixed in 17.5 Patch available CNA
  • macOS VendorApple Affected before 14.5 Fixed in 14.5 Patch available CNA
  • visionOS VendorApple Affected before 1.2 Fixed in 1.2 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 17.5VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*14.0 to before 14.5VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 1.2VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 17.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 14.0 to before 14.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 1.2 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 17.5
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 17.5
  • Fix · CNA macOS (Apple) Fixed in 14.5
  • Fix · CNA visionOS (Apple) Fixed in 1.2

Fixed in the same release

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

  • Release ·

    Apple visionOS 1.2

    21 records Highest priority Priority HIGH 2 HIGH, 11 MEDIUM, 8 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18458 Apple Safari: A website's permission dialog may persist after navigation away from the…Priority MEDIUM 48
  • Release ·

    Apple macOS 14.5

    16 records Highest priority Priority HIGH 2 HIGH, 8 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18458 Apple Safari: A website's permission dialog may persist after navigation away from the…Priority MEDIUM 48
Show 2 more groups
  • Release ·

    Apple iOS and iPadOS 17.5

    14 records Highest priority Priority HIGH 2 HIGH, 6 MEDIUM, 6 LOW

    Other records, highest priority first

    • TI-2024-18415 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority HIGH 78
    • TI-2024-18429 Out-of-bounds write in Apple iOS and iPadOSPriority HIGH 69
    • TI-2024-18446 Apple iOS and iPadOS: An app may be able to elevate privilegesPriority MEDIUM 48
  • Release ·

    Apple Safari 17.5

    8 records Highest priority Priority MEDIUM 5 MEDIUM, 3 LOW

    Other records, highest priority first

    • TI-2024-18458 Apple Safari: A website's permission dialog may persist after navigation away from the…Priority MEDIUM 48
    • TI-2024-18434 Memory corruption in Apple SafariPriority MEDIUM 48
    • TI-2024-18464 Memory corruption in Apple SafariPriority MEDIUM 42

Vendor assessments

Red Hat

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

Not affected: 3 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27850
  2. 2026-10-03 Alias added: GHSA-xf4m-339r-jvfr
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

  • 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