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TI-2019-06101 Aliases CVE-2019-8523GHSA-8hr6-w86p-r6w9

Out-of-bounds write in Apple iOS

Priority MEDIUM 42CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 11 fixed, 2 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-787 and the CVSS impact.

Summary

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.2, tvOS 12.2, Safari 12.1, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. Processing maliciously crafted web content may lead to arbitrary code execution.

Why it matters now

EPSS 0.02175 82nd percentileScored 2026-11-07
Fix Partial iOS (Apple): iOS 12.2tvOS (Apple): tvOS 12.2+3 more productsRed Hat: 1 advisoryRed Hat: 11 fixed, 2 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 12.2iOS 12.2Patch availableCNA
AppletvOSbefore tvOS 12.2tvOS 12.2Patch availableCNA
AppleSafaribefore Safari 12.1Safari 12.1Patch availableCNA
AppleiTunes for Windowsbefore iTunes 12.9.4 for WindowsiTunes 12.9.4 for WindowsPatch availableCNA
AppleiCloud for Windowsbefore iCloud for Windows 7.11iCloud for Windows 7.11Patch availableCNA
  • iOS VendorApple Affected before iOS 12.2 Fixed in iOS 12.2 Patch available CNA
  • tvOS VendorApple Affected before tvOS 12.2 Fixed in tvOS 12.2 Patch available CNA
  • Safari VendorApple Affected before Safari 12.1 Fixed in Safari 12.1 Patch available CNA
  • iTunes for Windows VendorApple Affected before iTunes 12.9.4 for Windows Fixed in iTunes 12.9.4 for Windows Patch available CNA
  • iCloud for Windows VendorApple Affected before iCloud for Windows 7.11 Fixed in iCloud for Windows 7.11 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*before 7.11VulnerableApple
cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*before 12.9.4VulnerableApple
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 12.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 12.2VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 12.2VulnerableApple
  • cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.11 Vulnerable ·Apple
  • cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.9.4 Vulnerable ·Apple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 12.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 12.2
  • Fix · CNA tvOS (Apple) Fixed in tvOS 12.2
  • Fix · CNA Safari (Apple) Fixed in Safari 12.1
  • Fix · CNA iTunes for Windows (Apple) Fixed in iTunes 12.9.4 for Windows
  • Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 7.11

Red Hat 1 advisory

  • RHSA-2019:3553 Released 2019-11-05 · Red Hat rating Low
    GNOME security, bug fix, and enhancement update
    • Red Hat CodeReady Linux Builder (v. 8) accountsservice-devel-0.6.50-7.el8, gdk-pixbuf2-xlib-2.36.12-5.el8, gdk-pixbuf2-xlib-devel-2.36.12-5.el8 +8
    • Red Hat Enterprise Linux AppStream (v. 8) SDL-1.2.15-35.el8, SDL-devel-1.2.15-35.el8, accountsservice-0.6.50-7.el8 +47
    • Red Hat Enterprise Linux BaseOS (v. 8) gdk-pixbuf2-2.36.12-5.el8, gsettings-desktop-schemas-3.32.0-3.el8, mozjs60-60.9.0-3.el8

Fixed in the same release

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

  • Release ·

    Apple iOS iOS 12.2

    49 records Highest priority Priority CRITICAL 1 CRITICAL, 18 MEDIUM, 30 LOW

    Other records, highest priority first

    Show all 49 records →
  • Release ·

    Apple tvOS tvOS 12.2

    33 records Highest priority Priority CRITICAL 1 CRITICAL, 17 MEDIUM, 15 LOW

    Other records, highest priority first

    Show all 33 records →
Show 3 more groups
  • Release ·

    Apple iCloud for Windows iCloud for Windows 7.11

    20 records Highest priority Priority CRITICAL 1 CRITICAL, 13 MEDIUM, 6 LOW

    Other records, highest priority first

    Show all 20 records →
  • Release ·

    Apple Safari Safari 12.1

    20 records Highest priority Priority CRITICAL 1 CRITICAL, 14 MEDIUM, 5 LOW

    Other records, highest priority first

    Show all 20 records →
  • Release ·

    Apple iTunes for Windows iTunes 12.9.4 for Windows

    19 records Highest priority Priority CRITICAL 1 CRITICAL, 14 MEDIUM, 4 LOW

    Other records, highest priority first

    Show all 19 records →

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 7AffectedNo fix planned: Will not fix
Red Hat CodeReady Linux Builder (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux BaseOS (v. 8)Fixed RHSA-2019:3553
Red Hat Enterprise Linux Client (v. 7)Fixed—
Red Hat Enterprise Linux Client Optional (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode (v. 7)Fixed—
Red Hat Enterprise Linux ComputeNode Optional (v. 7)Fixed—
Red Hat Enterprise Linux Server (v. 7)Fixed—
Red Hat Enterprise Linux Server Optional (v. 7)Fixed—
Red Hat Enterprise Linux Workstation (v. 7)Fixed—
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed—

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-8523
  2. 2026-10-03 Alias added: GHSA-8hr6-w86p-r6w9

References

Advisory 5

  • TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
  • TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
  • TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
  • TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
  • TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
  • TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
See all 448 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences