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TI-2021-11210 Aliases CVE-2021-30837GHSA-f74h-p3m3-45g2

Apple iOS and iPadOS: An application may be able to execute arbitrary code with kernel…

Priority LOW 37Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15, watchOS 8, tvOS 15. An application may be able to execute arbitrary code with kernel privileges.

Why it matters now

EPSS 0.01689 77th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 15tvOS (Apple): 15+1 more product

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 1515Patch availableCNA
AppletvOSbefore 1515Patch availableCNA
ApplewatchOSbefore 88Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 15 Fixed in 15 Patch available CNA
  • tvOS VendorApple Affected before 15 Fixed in 15 Patch available CNA
  • watchOS VendorApple Affected before 8 Fixed in 8 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.0VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.0VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 15.0VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 15.0 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15
  • Fix · CNA tvOS (Apple) Fixed in 15
  • Fix · CNA watchOS (Apple) Fixed in 8

Fixed in the same release

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

  • Release ·

    Apple iOS and iPadOS 15

    12 records Highest priority Priority MEDIUM 1 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2021-11208 Apple Security Update - Catalina: Processing a maliciously crafted image may lead to…Priority MEDIUM 40
    • TI-2021-11221 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 38
    • TI-2021-11220 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
  • Release ·

    Apple watchOS 8

    6 records Highest priority Priority MEDIUM 1 MEDIUM, 5 LOW

    Other records, highest priority first

    • TI-2021-11208 Apple Security Update - Catalina: Processing a maliciously crafted image may lead to…Priority MEDIUM 40
    • TI-2021-11221 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 38
    • TI-2021-11218 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37
Show 1 more group
  • Release ·

    Apple tvOS 15

    5 records Highest priority Priority MEDIUM 1 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2021-11208 Apple Security Update - Catalina: Processing a maliciously crafted image may lead to…Priority MEDIUM 40
    • TI-2021-11221 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 38
    • TI-2021-11218 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 37

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-30837
  2. 2026-10-03 Alias added: GHSA-f74h-p3m3-45g2

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