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CVE-2023-42917 is a memory corruption vulnerability in Apple's WebKit browser engine. Processing maliciously crafted web content may trigger arbitrary code execution. Apple addressed the vulnerability through improved locking in iOS 17.1.2, iPadOS 17.1.2, macOS Sonoma 14.1.2, and Safari 17.1.2, with subsequent backports to iOS and iPadOS 15.8.1. Apple acknowledged a report that the vulnerability may have been exploited against iOS versions earlier than 16.7.1.
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What an attacker gets, and what they’ve been doing with it.
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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.
7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A specific vulnerability included in the referenced Alma Linux/TuxCare security-check advisory; no technical flaw description is provided.
A memory corruption vulnerability in WebKit that can allow arbitrary code execution when processing web content. Apple reports possible exploitation against iOS versions before 16.7.1. The November 30, 2023 release addressed the flaw through improved locking.
An Apple iOS zero-day discovered in 2023 and associated with commercial spyware vendor PARS Defense. The content does not identify the associated spyware family or describe the vulnerability's technical mechanism.
A previously exploited Apple zero-day for which Apple backported patches to older iOS/iPadOS versions.
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.