Product Detail
FIREFOX ESR
http://www.mozilla.org/en-US/firefox/organizations/faq/
Product Intelligence
Public Exploit/PoC Code :
438
CISA Actively Exploited :
14
Last Vulnerability Seen :
Feb. 24, 2026
Vulnerabilities
The following vulnerabilities are recorded
FIREFOX ESR product. You can click on the
vulnerability to view more details.
| Number | Published | CVE ID | Severity | CVSS Score | |
|---|---|---|---|---|---|
| 1 | Dec 08, 2021 | CVE-2021-38504 | HIGH |
8.8
|
|
| 2 | Dec 08, 2021 | CVE-2021-38503 | CRITICAL |
10.0
|
|
| 3 | Nov 03, 2021 | CVE-2021-38501 | HIGH |
8.8
|
|
| 4 | Nov 03, 2021 | CVE-2021-38500 | HIGH |
8.8
|
|
| 5 | Nov 03, 2021 | CVE-2021-38498 | HIGH |
7.5
|
|
| 6 | Nov 03, 2021 | CVE-2021-38497 | MEDIUM |
6.5
|
|
| 7 | Nov 03, 2021 | CVE-2021-38496 | HIGH |
8.8
|
|
| 8 | Nov 03, 2021 | CVE-2021-38495 | HIGH |
8.8
|
|
| 9 | Nov 03, 2021 | CVE-2021-38493 | HIGH |
8.8
|
|
| 10 | Nov 03, 2021 | CVE-2021-38492 | MEDIUM |
6.5
|
|
| 11 | Aug 17, 2021 | CVE-2021-29989 | HIGH |
8.8
|
|
| 12 | Aug 17, 2021 | CVE-2021-29988 | HIGH |
8.8
|
|
| 13 | Aug 17, 2021 | CVE-2021-29986 | HIGH |
8.1
|
|
| 14 | Aug 17, 2021 | CVE-2021-29985 | HIGH |
8.8
|
|
| 15 | Aug 17, 2021 | CVE-2021-29984 | HIGH |
8.8
|
|
| 16 | Aug 17, 2021 | CVE-2021-29980 | HIGH |
8.8
|
|
| 17 | Aug 05, 2021 | CVE-2021-29976 | HIGH |
8.8
|
|
| 18 | Aug 05, 2021 | CVE-2021-29970 | HIGH |
8.8
|
|
| 19 | Jun 24, 2021 | CVE-2021-29967 | HIGH |
8.8
|
|
| 20 | Jun 24, 2021 | CVE-2021-29964 | HIGH |
7.1
|