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CVE-2026-43712 is a memory-handling vulnerability in WebKit, including WebKitGTK and WPE WebKit. Processing maliciously crafted web content can trigger an out-of-bounds write and an unexpected process crash. WebKitGTK and WPE WebKit versions before 2.52.5 are affected. The issue also affects WebKit in Apple products and was corrected through improved memory handling.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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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.
27 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A memory-handling vulnerability affecting webkit2gtk and listed Apple products can cause a process crash when malicious web content is processed. The CVSS v3 base score is 6.5, with user interaction required and high availability impact. The advisory recommends upgrading webkit2gtk and related packages to version 2.52.5-1~deb13u1 or later.
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.