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CVE-2026-43745 is an out-of-bounds write vulnerability in WebKit-related components, including Safari, WebKitGTK, and WPE WebKit. Improper input validation during processing of maliciously crafted web content can trigger an unexpected browser or web-content process crash. WebKitGTK and WPE WebKit versions before 2.52.5 are affected. The vulnerability was corrected through improved input validation.
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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.
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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.
34 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An out-of-bounds write vulnerability affecting webkit2gtk and Apple web-content processing can cause an unexpected Safari crash when maliciously crafted content is processed. The advisory assigns a CVSS v3 score of 6.5, with user interaction required and high availability impact. No known exploits are available.
A WebKitGTK vulnerability in which maliciously crafted web content can cause an unexpected process crash.
A WebKitGTK vulnerability allowing maliciously crafted web content to cause an unexpected process crash. The advisory includes a fix in the webkit2gtk3 security update.
A WebKitGTK vulnerability allowing maliciously crafted web content to cause an unexpected process crash.
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.