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Mallory
Medium

Out-of-bounds Read in Apple file processing

IdentifiersCVE-2024-27880CWE-125· Out-of-bounds Read

CVE-2024-27880 is an out-of-bounds read vulnerability in Apple software. According to Apple, processing a maliciously crafted file may trigger the flaw and lead to unexpected app termination. The issue was addressed with improved input validation. Affected platforms called out in the provided content include iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, and tvOS 18 prior to the fixes.

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ANALYST BRIEF

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.

Successful exploitation causes denial of service via unexpected application termination when a target processes a maliciously crafted file. Based on the provided information, the documented impact is limited to app crash/termination; no evidence is provided here of code execution, privilege escalation, or data disclosure.

Mitigation

If you can’t patch tonight, do this now.

Until patched, reduce exposure by avoiding opening or processing untrusted files from untrusted or unauthenticated sources. Where operationally feasible, limit file ingestion paths and use application isolation/sandboxing controls to reduce the impact of application crashes. No specific vendor mitigation beyond installing the fixed releases is provided in the supplied content.

Remediation

Patch, then assume compromise.

Apply the vendor-provided fixes from Apple. The issue is fixed in iOS 17.7, iPadOS 17.7, visionOS 2, watchOS 11, macOS Sequoia 15, iOS 18, iPadOS 18, macOS Sonoma 14.7, and tvOS 18. Apple states the vulnerability was remediated through improved input validation.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

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.

VendorProductType
AppleIpadosoperating_system
AppleIphone Osoperating_system
AppleMacosoperating_system
AppleTvosoperating_system
AppleVisionosoperating_system
AppleWatchosoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity

Community discussion across Reddit, Mastodon, and other social sources.