Mozilla
- Exploited flaws
- 13in 4 products
- Added to CISA's list in 2026
- 01 in 2025
- Used by ransomware
- 1of 13, says CISA
- Disclosure to CISA's list
- 2159 daysmedian; 1 of 8 listed within 30 days
Exploited flaws by the year they were disclosed
The year in each CVE ID, roughly when the flaw became public. Recent years can still grow: flaws are often exploited, and listed, years later.
Hover or tab through a year for its count.
Show as a table
| Year disclosed | Exploited flaws |
|---|---|
| 2010 | 1 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 2 |
| 2014 | 0 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 0 |
| 2019 | 3 |
| 2020 | 2 |
| 2021 | 0 |
| 2022 | 2 |
| 2023 | 0 |
| 2024 | 1 |
| 2025 | 0 |
| 2026 | 0 |
Products exploited more than once
| Product | Flaws | First listed | Latest |
|---|---|---|---|
| Firefox and Thunderbird | 6 | 2021-11-03 | 2022-05-23 |
| Firefox | 5 | 2022-03-03 | 2024-10-15 |
Latest on CISA's list
- Mozilla Multiple Products Remote Code Execution Vulnerability
- Mozilla Firefox Use-After-Free Vulnerability
- Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability
- Mozilla Firefox Security Feature Bypass Vulnerability
- Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
- Mozilla Firefox and Thunderbird Type Confusion Vulnerability
- Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability
- Mozilla Firefox Use-After-Free Vulnerability
- Mozilla Firefox Use-After-Free Vulnerability
- Mozilla Firefox Information Disclosure Vulnerability
In the news
No security story in the last 14 days named Mozilla in its headline.
From CISA's Known Exploited Vulnerabilities catalogue. "Disclosure to CISA's list" uses NVD's publication date and leaves out the 2021-11-03 launch, when CISA added hundreds of older flaws at once; CISA often lists a flaw after attacks have begun, so it's an upper limit on how fast exploitation came.