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
3 634
Vendors
438
Products
1 007
Kaspersky ID
Vulnerability
Product
Detect Date
Severity
KLA20169
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
01/17/2023
High
KLA20114
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
12/13/2022
High
KLA20050
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/15/2022
High
KLA20011
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
10/18/2022
High
KLA19257
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
09/20/2022
High
KLA15727
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/23/2022
High
KLA15728
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/23/2022
High
KLA12595
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
07/26/2022
High
KLA12576
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
06/28/2022
High
KLA12546
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
05/31/2022
High
Find out the statistics of the vulnerabilities spreading in your region:
statistics.securelist.com
Check my region
KLA12542
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
05/20/2022
Critical
KLA12521
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
05/03/2022
High
KLA12497
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
04/05/2022
High
KLA12472
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
03/08/2022
High
KLA12449
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/08/2022
High
KLA12416
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
01/11/2022
High
KLA12375
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
12/07/2021
High
KLA12336
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/02/2021
High
KLA12304
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
10/05/2021
High
KLA12305
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
10/05/2021
High
KLA12274
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
09/07/2021
Warning
KLA12273
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
09/07/2021
Warning
KLA12253
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/10/2021
High
KLA11945
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/25/2020
Warning
KLA11943
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
08/25/2020
Warning
KLA11920
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
07/28/2020
Warning
KLA12034
Use after free vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
01/06/2021
Warning
KLA11996
Use after free vulnerability in Mozilla Firefox ESR
Mozilla-Firefox-ESR
11/09/2020
Warning
KLA12091
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
02/23/2021
High
KLA11964
Multiple vulnerabilities in Mozilla Firefox ESR
Mozilla-Firefox-ESR
09/22/2020
Warning
1
0— из
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
21 April 2025
Kaspersky Daily
Update PyTorch ASAP | Kaspersky official blog
16 September 2025
Securelist
RevengeHotels: a new wave of attacks leveraging LLMs and VenomRAT
15 September 2025
Securelist
Shiny tools, shallow checks: how the AI hype opens the door to malicious MCP servers
10 September 2025
Securelist
Notes of cyber inspector: three clusters of threat in cyberspace
05 September 2025
Securelist
IT threat evolution in Q2 2025. Mobile statistics
05 September 2025
Securelist
IT threat evolution in Q2 2025. Non-mobile statistics
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
Sorting
Kaspersky ID
Vulnerability
Detect date
Severity
Confirm
Confirm changes?
Yes
No
Your message has been sent successfully.