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TI-2026-46534 Aliases CVE-2026-65334GHSA-4c37-hj7c-pvgr

Memory corruption in Apple Safari

Priority LOW 21CWE-119Published · 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: 13 fixed, 1 without a fix

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

Summary

A memory corruption issue was addressed with improved state management. This issue is fixed in Safari 26.6.1, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27. 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 0.00584 48th percentileScored 2026-11-07
Fix Partial Safari (Apple): 26.6.1iOS and iPadOS (Apple): 18.7.10, 26.6.1+2 more productsRed Hat: 9 advisoriesRed Hat: 13 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 26.6.126.6.1Patch availableCNA
AppleiOS and iPadOSbefore 18.7.10; before 26.6.118.7.10, 26.6.1Patch availableCNA
ApplemacOSbefore 26.6.226.6.2Patch availableCNA
ApplevisionOSbefore 2727Patch availableCNA
  • Safari VendorApple Affected before 26.6.1 Fixed in 26.6.1 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 18.7.10; before 26.6.1 Fixed in 18.7.10, 26.6.1 Patch available CNA
  • macOS VendorApple Affected before 26.6.2 Fixed in 26.6.2 Patch available CNA
  • visionOS VendorApple Affected before 27 Fixed in 27 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 26.6.1VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 18.7.10; 26.0 to before 26.6.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 18.7.10; 26.0 to before 26.6.1VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.6.2VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 26.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 18.7.10; 26.0 to before 26.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 18.7.10; 26.0 to before 26.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.6.2 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 26.6.1
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.6.1
  • Fix · CNA macOS (Apple) Fixed in 26.6.2
  • Fix · CNA visionOS (Apple) Fixed in 27

Red Hat 9 advisories

  • RHSA-2026:95403 Released 2026-11-05 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.54.0-1.el8_4, webkit2gtk3-devel-2.54.0-1.el8_4, webkit2gtk3-jsc-2.54.0-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3-2.54.0-1.el8_4, webkit2gtk3-devel-2.54.0-1.el8_4, webkit2gtk3-jsc-2.54.0-1.el8_4 +1
  • RHSA-2026:93435 Released 2026-11-02 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3-2.54.0-1.el8_8, webkit2gtk3-devel-2.54.0-1.el8_8, webkit2gtk3-jsc-2.54.0-1.el8_8 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3-2.54.0-1.el8_8, webkit2gtk3-devel-2.54.0-1.el8_8, webkit2gtk3-jsc-2.54.0-1.el8_8 +1
  • RHSA-2026:92339 Released 2026-10-29 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.54.0-1.el8_6, webkit2gtk3-devel-2.54.0-1.el8_6, webkit2gtk3-jsc-2.54.0-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) webkit2gtk3-2.54.0-1.el8_6, webkit2gtk3-devel-2.54.0-1.el8_6, webkit2gtk3-jsc-2.54.0-1.el8_6 +1
Show 6 more Red Hat advisories
  • RHSA-2026:92216 Released 2026-10-29 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) webkit2gtk3-2.54.0-1.el9_4, webkit2gtk3-devel-2.54.0-1.el9_4, webkit2gtk3-jsc-2.54.0-1.el9_4 +1
  • RHSA-2026:91631 Released 2026-10-28 · Red Hat rating Critical
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.54.0-1.el7_9, webkitgtk4-devel-2.54.0-1.el7_9, webkitgtk4-jsc-2.54.0-1.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.54.0-1.el7_9, webkitgtk4-doc-2.54.0-1.el7_9, webkitgtk4-jsc-devel-2.54.0-1.el7_9
  • RHSA-2026:89822 Released 2026-10-27 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3-2.54.0-1.el9_2, webkit2gtk3-devel-2.54.0-1.el9_2, webkit2gtk3-jsc-2.54.0-1.el9_2 +1
  • RHSA-2026:89821 Released 2026-10-26 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3-2.54.0-1.el9_6, webkit2gtk3-devel-2.54.0-1.el9_6, webkit2gtk3-jsc-2.54.0-1.el9_6 +1
  • RHSA-2026:74084 Released 2026-09-30 · Red Hat rating Critical
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.54.0-1.el8_10, webkit2gtk3-devel-2.54.0-1.el8_10, webkit2gtk3-jsc-2.54.0-1.el8_10 +1
  • RHSA-2026:69098 Released 2026-09-21 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.54.0-1.el9_8, webkit2gtk3-devel-2.54.0-1.el9_8, webkit2gtk3-jsc-2.54.0-1.el9_8 +1

Fixed in the same release

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

  • Release ·

    Apple visionOS 27

    29 records Highest priority Priority MEDIUM 3 MEDIUM, 26 LOW

    Other records, highest priority first

    • TI-2026-46546 Integer overflow in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
    Show all 29 records →
  • Release ·

    Apple macOS 26.6.2

    24 records Highest priority Priority MEDIUM 2 MEDIUM, 22 LOW

    Other records, highest priority first

    • TI-2026-46543 Use after free in Apple iOS and iPadOSPriority MEDIUM 40
    • TI-2026-31883 Memory corruption in Apple SafariPriority MEDIUM 40
    • TI-2026-46547 Uncontrolled resource consumption in Apple iOS and iPadOSPriority LOW 29
    Show all 24 records →
Show 1 more group
  • Release ·

    Apple Safari, iOS and iPadOS 18.7.10, 26.6.1

    21 records Highest priority Priority MEDIUM 1 MEDIUM, 20 LOW

    Other records, highest priority first

    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 AppStream (v. 8)Fixed RHSA-2026:74084
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:69098
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:95403
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:92339
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:93435
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:89822
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:92216
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:89821
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:95403
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:92339
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:93435
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:91631
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:91631
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-65334
  2. 2026-10-03 Alias added: GHSA-4c37-hj7c-pvgr
  3. 2026-10-26 Fix available: RHSA-2026:89821 · Red Hat
  4. 2026-10-26 Fix available: Red Hat Enterprise Linux AppStream EUS (v.9.6) · Red Hat
  5. 2026-10-27 Fix available: Red Hat Enterprise Linux AppStream E4S (v.9.2) · Red Hat
  6. 2026-10-29 Fix available: Red Hat Enterprise Linux Server (v. 7 ELS), Red Hat Enterprise Linux Server Optional (v. 7 ELS) · Red Hat
  7. 2026-10-29 Fix available: RHSA-2026:89822 · Red Hat
  8. 2026-10-29 Fix available: RHSA-2026:91631 · Red Hat
  9. 2026-10-30 Fix available: RHSA-2026:92216 · Red Hat
  10. 2026-10-30 Fix available: RHSA-2026:92339 · Red Hat
  11. 2026-10-30 Fix available: Red Hat Enterprise Linux AppStream AUS (v.8.6), Red Hat Enterprise Linux AppStream E4S (v.9.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) · Red Hat
  12. 2026-11-02 Fix available: RHSA-2026:93435 · Red Hat
  13. 2026-11-02 Fix available: Red Hat Enterprise Linux AppStream E4S (v.8.8), Red Hat Enterprise Linux AppStream TUS (v.8.8) · Red Hat
  14. 2026-11-05 Fix available: Red Hat Enterprise Linux AppStream AUS (v.8.4), Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) · Red Hat
  15. 2026-11-06 Fix available: RHSA-2026:95403 · Red Hat

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