CVE-2022-40304: Apple iPadOS

High severity, CVSS 7.8. EPSS: 5.8% chance of exploitation in the next 30 days.

An issue was discovered in libxml2 before 2.10.3. Certain invalid XML entity definitions can corrupt a hash table key, potentially leading to subsequent logic errors. In one case, a double-free can be provoked.

Affected products

  • Apple iPadOS: before 15.7.2 (fixed in 15.7.2)
  • Apple iPhone OS: before 15.7.2 (fixed in 15.7.2)
  • Apple macOS: from 11.0, before 11.7.2 (fixed in 11.7.2); from 12.0, before 12.6.2 (fixed in 12.6.2)
  • Apple tvOS: before 16.2 (fixed in 16.2)
  • Apple watchOS: before 9.2 (fixed in 9.2)
  • Netapp Active Iq Unified Manager: affected versions not specified
  • Netapp Clustered Data Ontap: affected versions not specified
  • Netapp Clustered Data Ontap Antivirus Connector: affected versions not specified
  • Netapp h300s Firmware: affected versions not specified
  • Netapp h410c Firmware: affected versions not specified
  • Netapp h410s Firmware: affected versions not specified
  • Netapp h500s Firmware: affected versions not specified
  • Netapp h700s Firmware: affected versions not specified
  • Netapp Manageability Software Development Kit: affected versions not specified
  • Netapp Smi-S Provider: affected versions not specified
  • Netapp Snapmanager: affected versions not specified
  • Xmlsoft LIBXML2: before 2.10.3 (fixed in 2.10.3)

Published 2022-11-23. Last modified 2026-06-17.