CVE-2025-43400

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.1 and iPadOS 18.7.1, iOS 26.0.1 and iPadOS 26.0.1, macOS Sequoia 15.7.1, macOS Sonoma 14.8.1, macOS Tahoe 26.0.1, tvOS 26.1, visionOS 26.0.1, watchOS 26.1. Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory.

Affected Software

VendorProductVersion RangeStatus
AppleiOS and iPadOS0 < 18.7.1affected
AppleiOS and iPadOS0 < 26.0.1affected
ApplemacOS0 < 14.8.1affected
ApplemacOS0 < 15.7.1affected
ApplemacOS0 < 26.0.1affected
AppletvOS0 < 26.1affected
ApplevisionOS0 < 26.0.1affected
ApplewatchOS0 < 26.1affected

Weaknesses

  • Processing a maliciously crafted font may lead to unexpected app termination or corrupt process memory

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References