The oxide::JavaScriptDialogManager function in oxide-qt before 1.9.1 as packaged in Ubuntu 15.04 and Ubuntu 14.04 allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via a crafted website.

Use-after-free vulnerability in Oxide before 1.5.6 and 1.6.x before 1.6.1 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code by deleting all WebContents while a RenderProcessHost instance still exists.

Use-after-free vulnerability in the file picker implementation in Oxide before 1.6.5 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a crafted webpage.

Use-after-free vulnerability in Oxide allows remote attackers to cause a denial of service (application crash) or execute arbitrary code via unspecified vectors, related to responding synchronously to permission requests.

A malicious webview could install long-lived unload handlers that re-use an incognito BrowserContext that is queued for destruction in versions of Oxide before 1.18.3.