WebKit malicious web content process crash
CVE-2025-43535 is a WebKit vulnerability affecting Safari, WebKitGTK, WPE WebKit, and Apple platforms that use WebKit. The vendor description states that the issue was addressed with improved memory handling and that processing maliciously crafted web content may lead to an unexpected process crash. Available context identifies affected products and fixed versions including Safari 26.2; iOS 18.7.3 and iPadOS 18.7.3; iOS 26.2 and iPadOS 26.2; macOS Tahoe 26.2; visionOS 26.2; and WebKitGTK/WPE WebKit before 2.50.4. The specific vulnerable function is not provided in the supplied content.
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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
11 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A WebKit vulnerability in Apple iOS 26.2 and iPadOS 26.2 where processing maliciously crafted web content could lead to an unexpected process crash.
A critical Adobe Reader vulnerability involving improper restriction of XML external entity references (XXE).
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.