Firefox takes all memory, crashes the system


My Computer My Computer

At a glance

Windows 11
OS
Windows 11

My Computer My Computer

At a glance

Windows 11 Pro 25H2AMD Ryzen 7 5700GKingston FURY Beast 2x16GB DIMM DDR4 2666 CL16MSI GeForce GT 730 2GB LP V1
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
Build by vendor to my specs
CPU
AMD Ryzen 7 5700G
Motherboard
MSI PRO B550M-P Gen3
Memory
Kingston FURY Beast 2x16GB DIMM DDR4 2666 CL16
Graphics Card(s)
MSI GeForce GT 730 2GB LP V1
Sound Card
Creative Sound Blaster Audigy FX
Monitor(s) Displays
Samsung S24E450F 24"
Screen Resolution
1920 x 1080
Hard Drives
1. SSD Crucial P5 Plus 500GB PCIe M.2
2. SSD-SATA Crucial MX500-2TB
PSU
Corsair CV650W
Case
Cooler Master Silencio S400
Cooling
Cooler Master Hyper H412R with Be Quiet Pure Wings 2 PWM BL038 fan
Keyboard
Cherry Stream (wired, scissor keys)
Mouse
Asus WT465 (wireless)
Internet Speed
70 Mbps down / 80 Mbps up
Browser
Firefox 130.0
Antivirus
F-Secure (Internetprovider version)
Other Info
Router: FRITZBox 7490
Oracle VirtualBox 7 for testing software on Win 10 or 11
Is that a site you need to visit or is that something unwanted?
Yes, I open this site and immediately the memory consumption goes up infinitely. I do not even login.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
Then there must be something very wrong with that site or with the combination when used in Firefox.
I will not open that site then (I don't need it either).
 

My Computer My Computer

At a glance

Windows 11 Pro 25H2AMD Ryzen 7 5700GKingston FURY Beast 2x16GB DIMM DDR4 2666 CL16MSI GeForce GT 730 2GB LP V1
OS
Windows 11 Pro 25H2
Computer type
PC/Desktop
Manufacturer/Model
Build by vendor to my specs
CPU
AMD Ryzen 7 5700G
Motherboard
MSI PRO B550M-P Gen3
Memory
Kingston FURY Beast 2x16GB DIMM DDR4 2666 CL16
Graphics Card(s)
MSI GeForce GT 730 2GB LP V1
Sound Card
Creative Sound Blaster Audigy FX
Monitor(s) Displays
Samsung S24E450F 24"
Screen Resolution
1920 x 1080
Hard Drives
1. SSD Crucial P5 Plus 500GB PCIe M.2
2. SSD-SATA Crucial MX500-2TB
PSU
Corsair CV650W
Case
Cooler Master Silencio S400
Cooling
Cooler Master Hyper H412R with Be Quiet Pure Wings 2 PWM BL038 fan
Keyboard
Cherry Stream (wired, scissor keys)
Mouse
Asus WT465 (wireless)
Internet Speed
70 Mbps down / 80 Mbps up
Browser
Firefox 130.0
Antivirus
F-Secure (Internetprovider version)
Other Info
Router: FRITZBox 7490
Oracle VirtualBox 7 for testing software on Win 10 or 11
I open this site and immediately the memory consumption goes up infinitely. I do not even login.
Revo that installation of Firefox and install a fresh copy. Use the Stable version.
 

My Computers My Computers

  • At a glance

    Windows 11 Pro
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    ASUS ROG Strix
  • At a glance

    Windows 11 Pro
    Operating System
    Windows 11 Pro
    Computer type
    Laptop
    Manufacturer/Model
    ASUS VivoBook
  • ASUS VivoBook 'Lite' ~ Windows 11 Home
This bug has been fixed in Firefox 140.10.2 in ESR branch and in other branches as well.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
This bug has been fixed in Firefox 140.10.2 in ESR branch and in other branches as well.

It's now up to 140.11.0 ESR and I haven't noticed any memory issues for a long time now. If they've improved memory management recently then that's a good thing, yes?
 

My Computers My Computers

  • At a glance

    Windows 11 Pro 25H2 build: (26200.7623)32GB
    OS
    Windows 11 Pro 25H2 build: (26200.7623)
    Computer type
    Laptop
    Manufacturer/Model
    Microsoft Surface Pro
    Memory
    32GB
  • At a glance

    Microsoft 25H2 ProIntel Core Ultra 764GBIntel Integrated Graphics
    Operating System
    Microsoft 25H2 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Pro 14 - PC14250
    CPU
    Intel Core Ultra 7
    Memory
    64GB
    Graphics card(s)
    Intel Integrated Graphics
    Hard Drives
    Micron 1TB SSD
It's now up to 140.11.0 ESR and I haven't noticed any memory issues for a long time now. If they've improved memory management recently then that's a good thing, yes?
They broke it when they started to use AI "to find security holes" recentry, but it broke everything so they had to roll back those AI changes.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11
They broke it when they started to use AI "to find security holes" recentry, but it broke everything so they had to roll back those AI changes.

Well I never turned on any of that stuff anyway. Maybe that's why I didn't see it.
 

My Computers My Computers

  • At a glance

    Windows 11 Pro 25H2 build: (26200.7623)32GB
    OS
    Windows 11 Pro 25H2 build: (26200.7623)
    Computer type
    Laptop
    Manufacturer/Model
    Microsoft Surface Pro
    Memory
    32GB
  • At a glance

    Microsoft 25H2 ProIntel Core Ultra 764GBIntel Integrated Graphics
    Operating System
    Microsoft 25H2 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Pro 14 - PC14250
    CPU
    Intel Core Ultra 7
    Memory
    64GB
    Graphics card(s)
    Intel Integrated Graphics
    Hard Drives
    Micron 1TB SSD
Well I never turned on any of that stuff anyway. Maybe that's why I didn't see it.
You do not need to turn it on. They used AI to examine the source code.
 

My Computer My Computer

At a glance

Windows 11
OS
Windows 11

My Computers My Computers

  • At a glance

    Windows 11 Pro 25H2 build: (26200.7623)32GB
    OS
    Windows 11 Pro 25H2 build: (26200.7623)
    Computer type
    Laptop
    Manufacturer/Model
    Microsoft Surface Pro
    Memory
    32GB
  • At a glance

    Microsoft 25H2 ProIntel Core Ultra 764GBIntel Integrated Graphics
    Operating System
    Microsoft 25H2 Pro
    Computer type
    Laptop
    Manufacturer/Model
    Dell Pro 14 - PC14250
    CPU
    Intel Core Ultra 7
    Memory
    64GB
    Graphics card(s)
    Intel Integrated Graphics
    Hard Drives
    Micron 1TB SSD
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