About the security content of iOS 13.3.1 and iPadOS 13.3.1 - Apple Support

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Article IDNo stable ID in source URL

Verified snapshot16 Oct 2026, 15:22 UTC

Linked CVEs35

Linked CVE reports

These are source relationships, not a claim that this article fixes every affected product or branch.

CVE-2020-3837Apple Multiple Products Memory Corruption Vulnerability
CVE-2019-8836A memory corruption issue was addressed with improved memory handling
CVE-2020-3865Multiple memory corruption issues were addressed with improved memory handling
CVE-2020-3828A lock screen issue allowed access to contacts on a locked device
CVE-2020-3874An issued existed in the naming of screenshots
CVE-2020-3862A denial of service issue was addressed with improved memory handling
CVE-2020-3880An out-of-bounds read was addressed with improved input validation
CVE-2020-3860A memory corruption issue was addressed with improved input validation
CVE-2020-3846A buffer overflow was addressed with improved size validation
CVE-2020-3855An access issue was addressed with improved access restrictions
CVE-2020-3857A memory corruption issue was addressed with improved memory handling
CVE-2020-3875A validation issue was addressed with improved input sanitization
CVE-2020-3878An out-of-bounds read was addressed with improved input validation
CVE-2020-3844This issue was addressed with improved checks
CVE-2020-3853A type confusion issue was addressed with improved memory handling
CVE-2020-3867A logic issue was addressed with improved state management
CVE-2020-3869An issue existed in the handling of the local user's self-view
CVE-2020-3836An access issue was addressed with improved memory management
CVE-2020-3856A memory corruption issue was addressed with improved input validation
CVE-2020-3829An out-of-bounds read was addressed with improved bounds checking
CVE-2020-3825Multiple memory corruption issues were addressed with improved memory handling
CVE-2020-3873This issue was addressed with improved setting propagation
CVE-2020-3858A memory corruption issue was addressed with improved memory handling
CVE-2020-3868Multiple memory corruption issues were addressed with improved memory handling
CVE-2020-3870An out-of-bounds read was addressed with improved input validation
CVE-2020-3864A logic issue was addressed with improved validation
CVE-2020-3872A memory initialization issue was addressed with improved memory handling
CVE-2020-3838The issue was addressed with improved permissions logic
CVE-2020-3859An inconsistent user interface issue was addressed with improved state management
CVE-2020-3843A remote attacker may be able to cause unexpected system termination or corrupt kernel memory
CVE-2020-3841The issue was addressed with improved UI handling
CVE-2020-3840An off by one issue existed in the handling of racoon configuration files
CVE-2020-3842A memory corruption issue was addressed with improved memory handling
CVE-2020-3831A race condition was addressed with improved locking
CVE-2020-3826An out-of-bounds read was addressed with improved input validation

Source and provenance

Original title: About the security content of iOS 13.3.1 and iPadOS 13.3.1 - Apple Support. Captured 16 Oct 2026, 15:22 UTC. The stored article is used for enrichment and change detection; BlackTree does not republish the publisher's full text here.

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