Firefox
3,762 CVEs tracked. 15 of them are in CISA KEV.
This hub aggregates every CVE we track for Firefox, a product in the consumer software space. Use it to gauge the current risk picture and drill into individual advisories.
Firefox CVEs per month
| Month | CVEs |
|---|---|
| 2024-12 | 0 |
| 2025-01 | 14 |
| 2025-02 | 12 |
| 2025-03 | 18 |
| 2025-04 | 22 |
| 2025-05 | 13 |
| 2025-06 | 15 |
| 2025-07 | 17 |
| 2025-08 | 19 |
| 2025-09 | 14 |
| 2025-10 | 16 |
| 2025-11 | 16 |
| 2025-12 | 16 |
| 2026-01 | 18 |
| 2026-02 | 54 |
| 2026-03 | 48 |
| 2026-04 | 51 |
| 2026-05 | 43 |
| 2026-06 | 47 |
| 2026-07 | 67 |
| 2026-08 | 59 |
| 2026-09 | 181 |
| 2026-10 | 251 |
| 2026-11 | 1 |
Severity
How the 3,762 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical1,012
- High1,246
- Medium1,433
- Low71
Latest CVEs
The 15 most recently published vulnerabilities affecting Firefox.
- CVE-2026-120572Incorrect boundary conditions in the Layout: Block and Inline component8.8
- CVE-2026-118027Frame poisoning in the Layout component9.1
- CVE-2026-118024Use-after-free in the Graphics: Text component8.8
- CVE-2026-118025Other issue in the SVG component8.8
- CVE-2026-118026Invalid pointer in the JavaScript: GC component8.8
- CVE-2026-118022Sandbox escape due to use-after-free in the Disability Access APIs component8.8
- CVE-2026-118021Sandbox escape due to use-after-free in the XPCOM component8.8
- CVE-2026-118023Sandbox escape due to use-after-free in the Graphics: WebRender component8.8
- CVE-2026-118019Race condition, use-after-free in the DOM: File component8.8
- CVE-2026-118020Use-after-free in the Layout component8.8
- CVE-2026-118018Spoofing issue in the Downloads component in Firefox for Android8.8
- CVE-2026-118016Use-after-free in the DOM: Core & HTML component8.8
- CVE-2026-118017Use-after-free in the SVG component8.8
- CVE-2026-118014Use-after-free in the JavaScript Engine: JIT component8.8
- CVE-2026-118013Use-after-free in the Layout: Images, Video, and HTML Frames component8.8
Product grouping is registry-driven, with AI assist and human review. How it works