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CVE-2024-27879 is an out-of-bounds read vulnerability affecting Apple iOS and iPadOS. Apple states the issue was addressed with improved bounds checks and that successful triggering may cause unexpected app termination. The flaw is fixed in iOS 17.7, iPadOS 17.7, iOS 18, and iPadOS 18. Based on the available information, the vulnerability is consistent with improper bounds checking leading to an out-of-bounds read during processing of attacker-controlled input, resulting in application instability rather than confirmed code execution or data disclosure.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A cookie management issue enabling cross-origin data exfiltration by a malicious website; addressed with improved state management.
Cookie management/state-management issue enabling cross-origin data exfiltration by a malicious website.
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.