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TI-2021-11071 Aliases CVE-2021-30687GHSA-9xqf-qwq5-7qrm

Out-of-bounds read in Apple iOS and iPadOS

Priority LOW 27CWE-125Published · 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
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-125 and the CVSS impact.

Summary

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted image may lead to disclosure of user information.

Why it matters now

EPSS 0.01181 67th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.6macOS (Apple): 11.4, 2021, 14.6 +1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.614.6Patch availableCNA
ApplemacOSbefore 11.411.4Patch availableCNA
ApplemacOSbefore 20212021Patch availableCNA
ApplemacOSbefore 20212021Patch availableCNA
ApplemacOSbefore 14.614.6Patch availableCNA
ApplemacOSbefore 7.57.5Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.6 Fixed in 14.6 Patch available CNA
  • macOS VendorApple Affected before 11.4 Fixed in 11.4 Patch available CNA
  • macOS VendorApple Affected before 2021 Fixed in 2021 Patch available CNA
  • macOS VendorApple Affected before 2021 Fixed in 2021 Patch available CNA
  • macOS VendorApple Affected before 14.6 Fixed in 14.6 Patch available CNA
  • macOS VendorApple Affected before 7.5 Fixed in 7.5 Patch available CNA

CPE configurations NVD · 33

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.6VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.14 – 10.14.5; 10.15 – 10.15.6VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*10.14.6VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*10.14.6 security_update_2019-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*10.14.6 security_update_2019-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*10.14.6 security_update_2019-004VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*10.14.6 security_update_2019-005VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*10.14.6 security_update_2019-006VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*10.14.6 security_update_2019-007VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.14 – 10.14.5; 10.15 – 10.15.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* Versions 10.14.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* Versions 10.14.6 security_update_2019-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* Versions 10.14.6 security_update_2019-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:* Versions 10.14.6 security_update_2019-004 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:* Versions 10.14.6 security_update_2019-005 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* Versions 10.14.6 security_update_2019-006 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* Versions 10.14.6 security_update_2019-007 Vulnerable ·Apple
Show 23 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*10.14.6 security_update_2020-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*10.14.6 security_update_2020-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*10.14.6 security_update_2020-003VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*10.14.6 security_update_2020-004VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*10.14.6 security_update_2020-005VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*10.14.6 security_update_2020-006VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*10.14.6 security_update_2020-007VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*10.14.6 security_update_2021-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*10.14.6 security_update_2021-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*10.14.6 security_update_2021-003VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*10.14.6 supplemental_updateVulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*10.14.6 supplemental_update_2VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*10.15.7VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:*10.15.7 security_update_2020VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*10.15.7 security_update_2020-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:*10.15.7 security_update_2020-005VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:*10.15.7 security_update_2020-007VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*10.15.7 security_update_2021-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:*10.15.7 security_update_2021-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*10.15.7 supplemental_updateVulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.4VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 14.6VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 7.5VulnerableApple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* Versions 10.14.6 security_update_2020-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* Versions 10.14.6 security_update_2020-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* Versions 10.14.6 security_update_2020-003 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* Versions 10.14.6 security_update_2020-004 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* Versions 10.14.6 security_update_2020-005 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* Versions 10.14.6 security_update_2020-006 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:* Versions 10.14.6 security_update_2020-007 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:* Versions 10.14.6 security_update_2021-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:* Versions 10.14.6 security_update_2021-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:* Versions 10.14.6 security_update_2021-003 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* Versions 10.14.6 supplemental_update Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* Versions 10.14.6 supplemental_update_2 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* Versions 10.15.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020:*:*:*:*:*:* Versions 10.15.7 security_update_2020 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:* Versions 10.15.7 security_update_2020-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-005:*:*:*:*:*:* Versions 10.15.7 security_update_2020-005 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-007:*:*:*:*:*:* Versions 10.15.7 security_update_2020-007 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:* Versions 10.15.7 security_update_2021-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-002:*:*:*:*:*:* Versions 10.15.7 security_update_2021-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* Versions 10.15.7 supplemental_update Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.5 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.6
  • Fix · CNA macOS (Apple) Fixed in 11.4
  • Fix · CNA macOS (Apple) Fixed in 2021
  • Fix · CNA macOS (Apple) Fixed in 2021
  • Fix · CNA macOS (Apple) Fixed in 14.6
  • Fix · CNA macOS (Apple) Fixed in 7.5

Fixed in the same release

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

  • Release ·

    Apple macOS 2021

    100 records Highest priority Priority HIGH 1 HIGH, 12 MEDIUM, 87 LOW

    Other records, highest priority first

    • TI-2021-11042 Missing authorization in Apple macOSPriority HIGH 82
    • TI-2021-11104 Apple macOS: An attacker in a privileged network position may be able to leak sensitive…Priority MEDIUM 50
    • TI-2021-11181 Out-of-bounds write in Apple Security Update - CatalinaPriority MEDIUM 48
    Show all 100 records →
  • Release ·

    Apple macOS 11.4

    70 records Highest priority Priority CRITICAL 1 CRITICAL, 7 MEDIUM, 62 LOW

    Other records, highest priority first

    • TI-2021-11096 Missing authorization in Apple macOSPriority CRITICAL 93
    • TI-2021-11104 Apple macOS: An attacker in a privileged network position may be able to leak sensitive…Priority MEDIUM 50
    • TI-2021-11062 Apple macOS: A remote attacker may be able to cause unexpected application termination or…Priority MEDIUM 48
    Show all 70 records →
Show 3 more groups
  • Release ·

    Apple iOS and iPadOS 14.6

    46 records Highest priority Priority MEDIUM 4 MEDIUM, 42 LOW

    Other records, highest priority first

    • TI-2021-11115 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2021-11091 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2021-11128 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    Show all 46 records →
  • Release ·

    Apple macOS 14.6

    30 records Highest priority Priority CRITICAL 2 CRITICAL, 4 MEDIUM, 24 LOW

    Other records, highest priority first

    • TI-2021-11050 Out-of-bounds write in Apple macOSPriority CRITICAL 97
    • TI-2021-11048 Integer overflow in Apple macOSPriority CRITICAL 97
    • TI-2021-11115 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    Show all 30 records →
  • Release ·

    Apple macOS 7.5

    29 records Highest priority Priority MEDIUM 4 MEDIUM, 25 LOW

    Other records, highest priority first

    • TI-2021-11115 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2021-11091 Buffer overflow in Apple iOS and iPadOSPriority MEDIUM 42
    • TI-2021-11128 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
    Show all 29 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-30687
  2. 2026-10-03 Alias added: GHSA-9xqf-qwq5-7qrm

References

Advisory 6

  • 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