I’ve got to know the following from the FreeBSD’s security mailing list:
An attacker was able to achieve code execution in the content process
by exploiting a use-after-free in Animation timelines. We have had
reports of this vulnerability being exploited in the wild. This
vulnerability affects Firefox < 131.0.2, Firefox ESR < 128.3.1, and Firefox ESR < 115.16.1.
See also: NVD - CVE-2024-9680