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TI-2026-23137 Aliases CVE-2026-28958GHSA-qwj9-ffgq-f34w

Information disclosure in Apple Safari

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
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. Impact type from CWE-200.

Summary

This issue was addressed with improved data protection. This issue is fixed in Safari 26.5, iOS 18.7.10 and iPadOS 18.7.10, iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, visionOS 26.5. An app may be able to access sensitive user data.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0014 3rd percentileScored 2026-11-07
Fix Partial Safari (Apple): 26.5iOS and iPadOS (Apple): 18.7.10, 26.5+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 26.526.5Patch availableCNA
AppleiOS and iPadOSbefore 18.7.10; before 26.518.7.10, 26.5Patch availableCNA
ApplemacOSbefore 26.526.5Patch availableCNA
ApplevisionOSbefore 26.526.5Patch availableCNA
  • Safari VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 18.7.10; before 26.5 Fixed in 18.7.10, 26.5 Patch available CNA
  • macOS VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA
  • visionOS VendorApple Affected before 26.5 Fixed in 26.5 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 26.5VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 26.5VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*26.0 to before 26.5VulnerableApple
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*before 26.5VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 26.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 26.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 26.0 to before 26.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* Versions before 26.5 Vulnerable ·Apple

Remediation

  • Fix · CNA Safari (Apple) Fixed in 26.5
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.10, 26.5
  • Fix · CNA macOS (Apple) Fixed in 26.5
  • Fix · CNA visionOS (Apple) Fixed in 26.5

Red Hat 9 advisories

  • RHSA-2026:28147 Released 2026-06-25 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3-2.52.4-1.el9_6, webkit2gtk3-devel-2.52.4-1.el9_6, webkit2gtk3-jsc-2.52.4-1.el9_6 +1
  • RHSA-2026:28146 Released 2026-06-23 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.4) webkit2gtk3-2.52.4-1.el9_4, webkit2gtk3-devel-2.52.4-1.el9_4, webkit2gtk3-jsc-2.52.4-1.el9_4 +1
  • RHSA-2026:28148 Released 2026-06-23 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3-2.52.4-1.el9_2, webkit2gtk3-devel-2.52.4-1.el9_2, webkit2gtk3-jsc-2.52.4-1.el9_2 +1
Show 6 more Red Hat advisories
  • RHSA-2026:28114 Released 2026-06-23 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.52.4-1.el8_6, webkit2gtk3-devel-2.52.4-1.el8_6, webkit2gtk3-jsc-2.52.4-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6) webkit2gtk3-2.52.4-1.el8_6, webkit2gtk3-devel-2.52.4-1.el8_6, webkit2gtk3-jsc-2.52.4-1.el8_6 +1
  • RHSA-2026:27804 Released 2026-06-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3-2.52.4-1.el8_8, webkit2gtk3-devel-2.52.4-1.el8_8, webkit2gtk3-jsc-2.52.4-1.el8_8 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3-2.52.4-1.el8_8, webkit2gtk3-devel-2.52.4-1.el8_8, webkit2gtk3-jsc-2.52.4-1.el8_8 +1
  • RHSA-2026:27785 Released 2026-06-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.52.4-1.el8_4, webkit2gtk3-devel-2.52.4-1.el8_4, webkit2gtk3-jsc-2.52.4-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3-2.52.4-1.el8_4, webkit2gtk3-devel-2.52.4-1.el8_4, webkit2gtk3-jsc-2.52.4-1.el8_4 +1
  • RHSA-2026:27728 Released 2026-06-22 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.52.4-1.el7_9, webkitgtk4-devel-2.52.4-1.el7_9, webkitgtk4-jsc-2.52.4-1.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.52.4-1.el7_9, webkitgtk4-doc-2.52.4-1.el7_9, webkitgtk4-jsc-devel-2.52.4-1.el7_9
  • RHSA-2026:25927 Released 2026-06-15 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.52.4-1.el9_8, webkit2gtk3-devel-2.52.4-1.el9_8, webkit2gtk3-jsc-2.52.4-1.el9_8 +1
  • RHSA-2026:25918 Released 2026-06-15 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.52.4-1.el8_10, webkit2gtk3-devel-2.52.4-1.el8_10, webkit2gtk3-jsc-2.52.4-1.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 26.5

    46 records Highest priority Priority MEDIUM 7 MEDIUM, 39 LOW

    Other records, highest priority first

    • TI-2026-23134 Memory corruption in Apple SafariPriority MEDIUM 41
    • TI-2026-23121 Memory corruption in Apple iOS and iPadOSPriority MEDIUM 41
    • TI-2026-23040 Memory corruption in Apple SafariPriority MEDIUM 41
  • Release ·

    Apple macOS 26.5

    27 records Highest priority Priority MEDIUM 3 MEDIUM, 24 LOW

    Other records, highest priority first

Show 2 more groups
  • Release ·

    Apple Safari 26.5

    21 records Highest priority Priority MEDIUM 3 MEDIUM, 18 LOW

    Other records, highest priority first

  • Release ·

    Apple iOS and iPadOS 18.7.10, 26.5

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

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 AppStream (v. 8)Fixed RHSA-2026:25918
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2026:25927
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2026:27785
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2026:28114
Red Hat Enterprise Linux AppStream E4S (v.8.8)Fixed RHSA-2026:27804
Red Hat Enterprise Linux AppStream E4S (v.9.2)Fixed RHSA-2026:28148
Red Hat Enterprise Linux AppStream E4S (v.9.4)Fixed RHSA-2026:28146
Red Hat Enterprise Linux AppStream EUS (v.9.6)Fixed RHSA-2026:28147
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4)Fixed RHSA-2026:27785
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.6)Fixed RHSA-2026:28114
Red Hat Enterprise Linux AppStream TUS (v.8.8)Fixed RHSA-2026:27804
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2026:27728
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2026:27728
Not affected: 1 product
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-28958
  2. 2026-10-03 Alias added: GHSA-qwj9-ffgq-f34w

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