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TI-2025-27924 Aliases CVE-2025-43212GHSA-qcgv-3crg-w972

Memory corruption in Apple Safari

Priority LOW 31CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Partial Red Hat: 15 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01056 64th percentileScored 2026-11-07
Fix Partial Safari (Apple): 18.6iOS and iPadOS (Apple): 18.6+4 more productsRed Hat: 10 advisoriesRed Hat: 15 fixed, 1 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 18.618.6Patch availableCNA
AppleiOS and iPadOSbefore 18.618.6Patch availableCNA
ApplemacOSbefore 15.615.6Patch availableCNA
AppletvOSbefore 18.618.6Patch availableCNA
ApplevisionOSbefore 2.62.6Patch availableCNA
ApplewatchOSbefore 11.611.6Patch availableCNA
  • Safari VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
  • macOS VendorApple Affected before 15.6 Fixed in 15.6 Patch available CNA
  • tvOS VendorApple Affected before 18.6 Fixed in 18.6 Patch available CNA
  • visionOS VendorApple Affected before 2.6 Fixed in 2.6 Patch available CNA
  • watchOS VendorApple Affected before 11.6 Fixed in 11.6 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 15.6VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 18.6VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 2.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 11.6VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 15.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 18.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 2.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 11.6 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 18.6
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.6
  • Fix · CNA macOS (Apple) Fixed in 15.6
  • Fix · CNA tvOS (Apple) Fixed in 18.6
  • Fix · CNA visionOS (Apple) Fixed in 2.6
  • Fix · CNA watchOS (Apple) Fixed in 11.6

Red Hat 10 advisories

  • RHSA-2025:15729 Released 2025-09-15 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.5-1.el7_9, webkitgtk4-devel-2.48.5-1.el7_9, webkitgtk4-jsc-2.48.5-1.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.5-1.el7_9, webkitgtk4-doc-2.48.5-1.el7_9, webkitgtk4-jsc-devel-2.48.5-1.el7_9
  • RHSA-2025:14486 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.48.5-1.el8_4, webkit2gtk3-devel-2.48.5-1.el8_4, webkit2gtk3-jsc-2.48.5-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3-2.48.5-1.el8_4, webkit2gtk3-devel-2.48.5-1.el8_4, webkit2gtk3-jsc-2.48.5-1.el8_4 +1
  • RHSA-2025:14433 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.48.5-1.el8_6, webkit2gtk3-devel-2.48.5-1.el8_6, webkit2gtk3-jsc-2.48.5-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3-2.48.5-1.el8_6, webkit2gtk3-devel-2.48.5-1.el8_6, webkit2gtk3-jsc-2.48.5-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3-2.48.5-1.el8_6, webkit2gtk3-devel-2.48.5-1.el8_6, webkit2gtk3-jsc-2.48.5-1.el8_6 +1
Show 7 more Red Hat advisories
  • RHSA-2025:14434 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3-2.48.5-1.el8_8, webkit2gtk3-devel-2.48.5-1.el8_8, webkit2gtk3-jsc-2.48.5-1.el8_8 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3-2.48.5-1.el8_8, webkit2gtk3-devel-2.48.5-1.el8_8, webkit2gtk3-jsc-2.48.5-1.el8_8 +1
  • RHSA-2025:14432 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3-2.48.5-1.el8_2, webkit2gtk3-devel-2.48.5-1.el8_2, webkit2gtk3-jsc-2.48.5-1.el8_2 +1
  • RHSA-2025:14423 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.4) webkit2gtk3-2.48.5-1.el9_4, webkit2gtk3-devel-2.48.5-1.el9_4, webkit2gtk3-jsc-2.48.5-1.el9_4 +1
  • RHSA-2025:14422 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3-2.48.5-1.el9_0, webkit2gtk3-devel-2.48.5-1.el9_0, webkit2gtk3-jsc-2.48.5-1.el9_0 +1
  • RHSA-2025:14421 Released 2025-08-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3-2.48.5-1.el9_2, webkit2gtk3-devel-2.48.5-1.el9_2, webkit2gtk3-jsc-2.48.5-1.el9_2 +1
  • RHSA-2025:13782 Released 2025-08-13 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.48.5-1.el9_6, webkit2gtk3-devel-2.48.5-1.el9_6, webkit2gtk3-jsc-2.48.5-1.el9_6 +1
  • RHSA-2025:13780 Released 2025-08-13 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.48.5-1.el8_10, webkit2gtk3-devel-2.48.5-1.el8_10, webkit2gtk3-jsc-2.48.5-1.el8_10 +1

Fixed in the same release

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

  • Release ·

    Apple macOS 15.6

    31 records Highest priority Priority CRITICAL 1 CRITICAL, 6 MEDIUM, 24 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27949 Out-of-bounds write in Apple macOSPriority MEDIUM 50
  • Release ·

    Apple iOS and iPadOS 18.6

    24 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 14 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
Show 3 more groups
  • Release ·

    Apple tvOS, visionOS 18.6, 2.6

    20 records Highest priority Priority CRITICAL 1 CRITICAL, 8 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
  • Release ·

    Apple watchOS 11.6

    17 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 9 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-27946 Improper input validation in Apple iOS and iPadOSPriority MEDIUM 51
    • TI-2025-27921 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 51
  • Release ·

    Apple Safari 18.6

    14 records Highest priority Priority CRITICAL 1 CRITICAL, 3 MEDIUM, 10 LOW

    Other records, highest priority first

    • TI-2025-22512 Memory corruption in Apple SafariPriority CRITICAL 97
    • TI-2025-22513 Memory corruption in Apple SafariPriority MEDIUM 43
    • TI-2025-22509 Memory corruption in Apple SafariPriority MEDIUM 42

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 AppStream (v. 8)Fixed RHSA-2025:13780
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2025:13782
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2025:14432
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2025:14486
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2025:14433
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2025:14433
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2025:14434
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2025:14422
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2025:14421
Red Hat Enterprise Linux AppStream EUS (v.9.4)Fixed RHSA-2025:14423
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2025:14486
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2025:14433
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2025:14434
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:15729
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:15729
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-43212
  2. 2026-10-03 Alias added: GHSA-qcgv-3crg-w972

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