On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, and Firefox ESR < 128.8.
CVE ID: CVE-2025-1930
Vendor: Mozilla, Mozilla, Mozilla
Product: Firefox, Firefox ESR, Firefox ESR
EPSS Score: 0.09% (probability of being exploited)
EPSS Percentile: 22.35% (scored less or equal to compared to others)
EPSS Date: 2025-04-02 (when was this score calculated)