USN-6367-1: Firefox vulnerability

It was discovered that Firefox did not properly manage memory when handling
WebP images. If a user were tricked into opening a webpage containing
malicious WebP image file, an attacker could potentially exploit these to
cause a denial of service or execute arbitrary code. (CVE-2023-4863)

arbitrary code attacker code cve cve-2023-4863 denial of service exploit file firefox handling image images malicious manage memory service usn vulnerability webp