Mozilla Foundation Security Advisory 2026-19
Security Vulnerabilities fixed in Firefox 148.0.2
- Announced
- March 10, 2026
- Impact
- high
- Products
- Firefox
- Fixed in
-
- Firefox 148.0.2
#CVE-2026-3845: Heap buffer overflow in the Audio/Video: Playback component in Firefox for Android
- Reporter
- Crixer
- Impact
- high
References
#CVE-2026-3846: Same-origin policy bypass in the CSS Parsing and Computation component
- Reporter
- Jun Yang of Tencent Zhuque Lab
- Impact
- high
References
#CVE-2026-3847: Memory safety bugs fixed in Firefox 148.0.2
- Reporter
- Jon Coppeard and the Mozilla Fuzzing Team
- Impact
- high
Description
Memory safety bugs present in Firefox 148.0.2. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.