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CVE-2026-43720 is a use-after-free vulnerability in WebKit affecting Safari, WebKitGTK, WPE WebKit, and associated Apple platforms. Improper memory management during processing of maliciously crafted web content can trigger an unexpected Safari or WebKitGTK process crash. WebKitGTK and WPE WebKit versions before 2.52.5 are affected. The issue was corrected through improved memory management.
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What an attacker gets, and what they’ve been doing with it.
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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.
31 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A use-after-free vulnerability affecting webkit2gtk and the listed Apple products can cause an unexpected Safari crash when maliciously crafted web content is processed. The reference assigns a CVSS v3 score of 6.5, with high availability impact and required user interaction. The recommended remediation is to update webkit2gtk and related packages to version 2.52.5-1~deb13u1 or later; fixed Apple software versions are also listed.
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.