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TI-2020-17804 Aliases CVE-2020-29624GHSA-hq2j-vmfp-8v2q

Out-of-bounds write in Apple iOS and iPadOS

Priority LOW 36CWE-787Published · Updated

Key facts

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

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

Summary

A memory corruption issue existed in the processing of font files. This issue was addressed with improved input validation. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted font file may lead to arbitrary code execution.

Why it matters now

EPSS 0.01036 64th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.3tvOS (Apple): 14.3+2 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.314.3Patch availableCNA
AppletvOSbefore 14.314.3Patch availableCNA
ApplewatchOSbefore 7.27.2Patch availableCNA
ApplemacOSbefore 11.111.1Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.3 Fixed in 14.3 Patch available CNA
  • tvOS VendorApple Affected before 14.3 Fixed in 14.3 Patch available CNA
  • watchOS VendorApple Affected before 7.2 Fixed in 7.2 Patch available CNA
  • macOS VendorApple Affected before 11.1 Fixed in 11.1 Patch available CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.14 to before 10.14.6; 10.15 to before 10.15.7VulnerableApple
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_2019-004:*:*:*:*:*:*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: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:ipados:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.14 to before 10.14.6; 10.15 to before 10.15.7 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_2019-004:*:*:*:*:*:* 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
  • 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
Show 11 more CPE
CPEVersionsRoleVendor
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: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:supplemental_update:*:*:*:*:*:*10.15.7 supplemental_updateVulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.1.0VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 7.2VulnerableApple
  • 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: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:supplemental_update:*:*:*:*:*:* Versions 10.15.7 supplemental_update Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.1.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.3
  • Fix · CNA tvOS (Apple) Fixed in 14.3
  • Fix · CNA watchOS (Apple) Fixed in 7.2
  • Fix · CNA macOS (Apple) Fixed in 11.1

Fixed in the same release

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

  • Release ·

    Apple macOS 11.1

    48 records Highest priority Priority MEDIUM 2 MEDIUM, 46 LOW

    Other records, highest priority first

    • TI-2020-16976 Use after free in Apple watchOSPriority MEDIUM 41
    • TI-2020-17807 Apple macOS: An attacker in a privileged network position may be able to bypass…Priority MEDIUM 40
    • TI-2020-08038 Out-of-bounds write in Apple tvOSPriority LOW 39
    Show all 48 records →
  • Release ·

    Apple iOS and iPadOS 14.3

    16 records Highest priority Priority LOW 16 LOW

    Other records, highest priority first

    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17797 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 16 records →
Show 2 more groups
  • Release ·

    Apple tvOS 14.3

    14 records Highest priority Priority LOW 14 LOW

    Other records, highest priority first

    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17797 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 14 records →
  • Release ·

    Apple watchOS 7.2

    13 records Highest priority Priority LOW 13 LOW

    Other records, highest priority first

    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17797 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-29624
  2. 2026-10-03 Alias added: GHSA-hq2j-vmfp-8v2q

References

Advisory 4

  • 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