An exploitable heap underflow vulnerability exists in the derive_taps_and_gains function in kdu_v7ar.dll of Kakadu Software SDK 7.10.2. A specially crafted jp2 file can cause a heap overflow, which can result in remote code execution. An attacker could provide a malformed file to the victim to trigger this vulnerability.

A freed memory access vulnerability exists in the SVG Marker Element feature of Apple Safari's WebKit version 13.0.2. A specially crafted HTML web page can cause a use after free, resulting in memory corruption and possibly arbitrary code execution. To trigger this vulnerability, a specifically crafted HTML web page needs to be opened in the browser.