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TI-2025-28131 Aliases CVE-2025-43427GHSA-vg6g-ppvj-7qh3

Improper input validation in Apple Safari

Priority LOW 21CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · Low
Fix status
Partial Red Hat: 16 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat.

Summary

This issue was addressed through improved state management. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0055 46th percentileScored 2026-11-07
Fix Partial Safari (Apple): 26.1iOS and iPadOS (Apple): 26.1+3 more productsRed Hat: 11 advisoriesRed Hat: 16 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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 26.126.1Patch availableCNA
AppleiOS and iPadOSbefore 26.126.1Patch availableCNA
ApplemacOSbefore 26.126.1Patch availableCNA
AppletvOSbefore 26.126.1Patch availableCNA
ApplevisionOSbefore 26.126.1Patch availableCNA
  • Safari VendorApple Affected before 26.1 Fixed in 26.1 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 26.1 Fixed in 26.1 Patch available CNA
  • macOS VendorApple Affected before 26.1 Fixed in 26.1 Patch available CNA
  • tvOS VendorApple Affected before 26.1 Fixed in 26.1 Patch available CNA
  • visionOS VendorApple Affected before 26.1 Fixed in 26.1 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 26.1VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.1VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 26.1VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 26.1VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 26.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 26.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.1 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 26.1
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 26.1
  • Fix · CNA macOS (Apple) Fixed in 26.1
  • Fix · CNA tvOS (Apple) Fixed in 26.1
  • Fix · CNA visionOS (Apple) Fixed in 26.1

Red Hat 11 advisories

  • RHSA-2025:23742 Released 2025-12-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3-2.50.3-2.el8_8, webkit2gtk3-devel-2.50.3-2.el8_8, webkit2gtk3-jsc-2.50.3-2.el8_8 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3-2.50.3-2.el8_8, webkit2gtk3-devel-2.50.3-2.el8_8, webkit2gtk3-jsc-2.50.3-2.el8_8 +1
  • RHSA-2025:23743 Released 2025-12-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.50.3-2.el8_6, webkit2gtk3-devel-2.50.3-2.el8_6, webkit2gtk3-jsc-2.50.3-2.el8_6 +1
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3-2.50.3-2.el8_6, webkit2gtk3-devel-2.50.3-2.el8_6, webkit2gtk3-jsc-2.50.3-2.el8_6 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3-2.50.3-2.el8_6, webkit2gtk3-devel-2.50.3-2.el8_6, webkit2gtk3-jsc-2.50.3-2.el8_6 +1
  • RHSA-2025:23583 Released 2025-12-18 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.50.3-2.el7_9, webkitgtk4-devel-2.50.3-2.el7_9, webkitgtk4-jsc-2.50.3-2.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.50.3-2.el7_9, webkitgtk4-doc-2.50.3-2.el7_9, webkitgtk4-jsc-devel-2.50.3-2.el7_9
Show 8 more Red Hat advisories
  • RHSA-2025:23591 Released 2025-12-18 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) webkit2gtk3-2.50.3-1.el9_4, webkit2gtk3-devel-2.50.3-1.el9_4, webkit2gtk3-jsc-2.50.3-1.el9_4 +1
  • RHSA-2025:23452 Released 2025-12-17 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3-2.50.3-1.el9_0, webkit2gtk3-devel-2.50.3-1.el9_0, webkit2gtk3-jsc-2.50.3-1.el9_0 +1
  • RHSA-2025:23451 Released 2025-12-17 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3-2.50.3-1.el9_2, webkit2gtk3-devel-2.50.3-1.el9_2, webkit2gtk3-jsc-2.50.3-1.el9_2 +1
  • RHSA-2025:23434 Released 2025-12-17 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.50.3-2.el8_4, webkit2gtk3-devel-2.50.3-2.el8_4, webkit2gtk3-jsc-2.50.3-2.el8_4 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3-2.50.3-2.el8_4, webkit2gtk3-devel-2.50.3-2.el8_4, webkit2gtk3-jsc-2.50.3-2.el8_4 +1
  • RHSA-2025:23433 Released 2025-12-17 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3-2.50.3-2.el8_2, webkit2gtk3-devel-2.50.3-2.el8_2, webkit2gtk3-jsc-2.50.3-2.el8_2 +1
  • RHSA-2025:23110 Released 2025-12-11 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3-2.50.3-1.el9_6, webkit2gtk3-devel-2.50.3-1.el9_6, webkit2gtk3-jsc-2.50.3-1.el9_6 +1
  • RHSA-2025:22790 Released 2025-12-08 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.50.3-1.el9_7, webkit2gtk3-devel-2.50.3-1.el9_7, webkit2gtk3-jsc-2.50.3-1.el9_7 +1
  • RHSA-2025:22789 Released 2025-12-08 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.50.3-1.el8_10, webkit2gtk3-devel-2.50.3-1.el8_10, webkit2gtk3-jsc-2.50.3-1.el8_10 +1

Fixed in the same release

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

  • Release ·

    Apple visionOS 26.1

    43 records Highest priority Priority MEDIUM 4 MEDIUM, 39 LOW

    Other records, highest priority first

    • TI-2025-28137 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28135 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28140 Authentication bypass in Apple iOS and iPadOSPriority MEDIUM 40
    Show all 43 records →
  • Release ·

    Apple macOS 26.1

    31 records Highest priority Priority MEDIUM 3 MEDIUM, 28 LOW

    Other records, highest priority first

    • TI-2025-28137 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28135 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28140 Authentication bypass in Apple iOS and iPadOSPriority MEDIUM 40
    Show all 31 records →
Show 3 more groups
  • Release ·

    Apple tvOS 26.1

    27 records Highest priority Priority MEDIUM 4 MEDIUM, 23 LOW

    Other records, highest priority first

    • TI-2025-28137 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28135 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28140 Authentication bypass in Apple iOS and iPadOSPriority MEDIUM 40
    Show all 27 records →
  • Release ·

    Apple iOS and iPadOS 26.1

    25 records Highest priority Priority MEDIUM 2 MEDIUM, 23 LOW

    Other records, highest priority first

    • TI-2025-28140 Authentication bypass in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2025-28118 Improper access control in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2025-28203 Improper access control in Apple SafariPriority LOW 39
    Show all 25 records →
  • Release ·

    Apple Safari 26.1

    21 records Highest priority Priority MEDIUM 2 MEDIUM, 19 LOW

    Other records, highest priority first

    • TI-2025-28137 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28135 Memory corruption in Apple SafariPriority MEDIUM 42
    • TI-2025-28203 Improper access control in Apple SafariPriority LOW 39
    Show all 21 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-2025:22789
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:22790
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2025:23433
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2025:23434
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2025:23743
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2025:23743
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:23742
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:23452
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:23451
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:23591
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2025:23110
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2025:23434
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2025:23743
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:23742
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:23583
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:23583

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-43427
  2. 2026-10-03 Alias added: GHSA-vg6g-ppvj-7qh3

References

Advisory 4

Other 1

  • 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