The high-severity issue, tracked as CVE-2023-6345, is described as an integer overflow bug in Skia, the open source 2D graphics library that serves as the graphics engine in Chrome, Firefox, and other browsers.
“Google is aware that an exploit for CVE-2023-6345 exists in the wild,” the internet giant notes in its advisory, without providing specific details on the observed exploitation.
However, the company says that the flaw was reported by Benoît Sevens and Clément Lecigne of Google’s Threat Analysis Group (TAG), which suggests that it might be exploited by a spyware vendor.