Solutions for:
Home Products
Small Business
Medium Business
Enterprise
Vulnerabilities
Threats
English
Русский
日本語
LatAm
Türk
Brasileiro
Français
Český
Deutsch
Home
Products
Mozilla Firefox ESR
Vulnerabilities
3 875
Vendors
437
Products
1 014
Kaspersky ID
Vulnerability
Product
Detect Date
Severity
KLA90888
DoS vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/16/2026
High
KLA85321
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
06/24/2025
High
KLA85320
Multiple vulnerabilities in Mozillla Firefox ESR
Mozilla-Firefox-ESR
06/24/2025
High
KLA79486
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/04/2025
High
KLA77555
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/26/2024
High
KLA77554
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/26/2024
High
KLA73805
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
10/01/2024
Critical
KLA71399
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/06/2024
High
KLA71398
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/06/2024
High
KLA12304
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
10/05/2021
High
Find out the statistics of the vulnerabilities spreading in your region:
statistics.securelist.com
Check my region
KLA12125
Buffer overflow vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/05/2021
Critical
KLA11169
Speculative execution side-channel attack in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
01/04/2018
High
KLA10723
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
12/15/2015
Critical
KLA90957
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
03/24/2026
Critical
KLA10748
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
01/26/2016
Critical
KLA90902
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/24/2026
High
KLA10765
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
03/08/2016
Critical
KLA10795
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
04/26/2016
Critical
KLA10119
Multiple vulnerabilities in Mozilla
Mozilla-Firefox
07/22/2014
Critical
KLA82139
SB vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
03/27/2025
Critical
KLA10584
Multiple vulnerabilities in Mozilla products
Mozilla-Firefox
05/12/2015
Critical
KLA10622
Multiple vulnerabilities in Mozilla products
Mozilla-Firefox
07/02/2015
Critical
KLA10643
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
08/11/2015
Critical
KLA12416
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
01/11/2022
High
KLA12336
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/02/2021
High
KLA10654
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
08/27/2015
Critical
KLA11765
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
05/05/2020
Critical
KLA11505
Incorrect parameters parsing vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
06/20/2019
Warning
KLA11410
Multiple vulnerabilities in Mozilla Firefox and Mozilla Firefox ESR
Mozilla-Firefox
01/29/2019
Critical
KLA11184
Multiple vulnerabilities in Mozilla Firefox and Firefox ESR
Mozilla-Firefox
01/23/2018
Critical
1
0—0 из 0
0
30
50
100
Kaspersky Next
Let’s go Next: redefine your business’s cybersecurity
Learn more
New Kaspersky!
Your digital life deserves complete protection!
Learn more
Related articles
26 March 2026
Securelist
An AI gateway designed to steal your data
26 March 2026
Securelist
Coruna: the framework used in Operation Triangulation
25 March 2026
Securelist
Anatomy of a Cyber World Global Report 2026
18 March 2026
Securelist
The SOC Files: Time to “Sapecar”. Unpacking a new Horabot campaign in Mexico
16 March 2026
Securelist
Free real estate: GoPix, the banking Trojan living off your memory
10 March 2026
Securelist
BeatBanker: A dual‑mode Android Trojan
Found an inaccuracy in the description of this vulnerability?
If you found a new Threat or Vulnerability, please, let us know by email:
newvirus@kaspersky.com
It's clear
Found a new Threat or Vulnerability?
If you found a new Threat or Vulnerability, please, let us know by email:
newvirus@kaspersky.com
It's clear
Vulnerabilities
Vendors
Products
Threats
Eng
Solutions for
Home Products
Small Business
Medium Business
Enterprise
Select language
English
Русский
日本語
LatAm
Türk
Brasileiro
Français
Český
Deutsch
Severity level
Critical
High
Warning
Sorting
Kaspersky ID
Vulnerability
Detect date
Severity
You must select at least one severity level
Confirm
Do you want to save your changes?
Save
Don't save
Your message has been sent successfully.