What’s Vulnerable › Products

LadybirdBrowser Ladybird vulnerabilities

3 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 3 published in the last 12 months.

Check whether your LadybirdBrowser Ladybird version is affected

Latest LadybirdBrowser Ladybird vulnerabilities

• CVE-2026-119332 — Ladybird: FinalizationRegistry::cleanup() heap use-after-free via reentrant unregister() (CVSS 8.8)
• CVE-2026-119331 — Ladybird: Missing origin-clean enforcement in CSSStyleSheet allows cross-origin CSS read and mutation (CVSS 7.1)
• CVE-2026-58592 — Ladybird - Web-Reachable Code Execution via Dangling FunctionType Reference in WebAssembly ESM Integration (CVSS 8.3)