Out-of-bounds read in Apple CoreText media file processing
CVE-2025-43445 is an out-of-bounds read vulnerability in Apple's CoreText component. According to the provided advisory text, the issue is triggered when CoreText processes a maliciously crafted media file. Apple states the flaw was addressed through improved input validation. The vulnerability affects multiple Apple platforms, including iOS 18.7.2 and iPadOS 18.7.2 prior to patching, iOS 26.1 and iPadOS 26.1 prior to patching, macOS Sequoia 15.7.2 prior to patching, macOS Sonoma 14.8.2 prior to patching, macOS Tahoe 26.1 prior to patching, tvOS 26.1 prior to patching, visionOS 26.1 prior to patching, and watchOS 26.1 prior to patching.
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Impact
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Mitigation
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Remediation
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Exploits
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No public exploit code observed for this vulnerability.
Affected products & vendors
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Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
8 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Out-of-bounds read in media processing leading to crash or process memory corruption.
An out-of-bounds read vulnerability in macOS Sequoia media file processing that may cause app termination or corrupt process memory.
The version that knows your environment.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.