Out-of-bounds access in Apple Model I/O media file processing
CVE-2025-43384 is an out-of-bounds access vulnerability in Apple Model I/O. Apple states that processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory. The issue was addressed through improved bounds checking. The available advisory context ties the flaw specifically to Model I/O and indicates it affects multiple Apple platforms, including iOS, iPadOS, macOS, tvOS, and visionOS.
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Impact, mitigation & remediation
What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
Impact
What an attacker gets, and what they’ve been doing with it.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
Affected products & vendors
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
Out-of-bounds access in media processing leading to crash or process memory corruption.
An out-of-bounds access 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.