CVE-2023-32205

The Mozilla Foundation Security Advisory describes this flaw as: In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks.

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code. Irvan Kurniawan discovered that Thunderbird did not properly manage memory when using RLBox Expat driver. An attacker could potentially exploits this issue to cause a denial of service.