| 1893881 |
randomly massive memory usage with browser freeze |
UNCONFIRMED |
| 1894286 |
Multiple gigabytes of tiny detached windows |
UNCONFIRMED |
| 1896500 |
Memory Leak on newest version. 14 task manager occurrences from one tab open using over a gig of memory. Laptop is overheating and only fix is reset computer. |
UNCONFIRMED |
| 1900881 |
ASan Nightly memory leak on certain webpages |
UNCONFIRMED |
| 1907716 |
Firefox used up most of my system RAM |
UNCONFIRMED |
| 1913582 |
Very high memory usage, Leaks all system RAM and quits |
UNCONFIRMED |
| 1916021 |
Ever increasing ram usage on mac |
UNCONFIRMED |
| 1921757 |
Firefox is using too much memory - 4GB. 4 Add-ons |
UNCONFIRMED |
| 1922234 |
High shared memory usage on lagosjumpradio.com |
NEW |
| 1924220 |
Apple Silicon Firefox Memory Leak |
UNCONFIRMED |
| 1925226 |
High memory usage |
UNCONFIRMED |
| 1925736 |
12GB+ memory leak in an extension. About:memory shows tons of similar data:image /png base64 URIs (Was: Memory leak in Ubuntu 24.04 // Firefox 131.0.2) |
UNCONFIRMED |
| 1931602 |
Firefox working-set size increases over time -- Fail to release pages? |
UNCONFIRMED |
| 1931634 |
Firefox uses ~8GB (or more) to load https://www.w3schools.com/html/html_favicon.asp, Chrome tops out at 2GB |
NEW |
| 1931914 |
Firefox 133 and 134 betas repeatedly use excessive memory and hang when releasing |
NEW |
| 1932080 |
Memory leaks with WebExtensions |
UNCONFIRMED |
| 1934426 |
Memory Leak When Rendering Large Data Tables in Firefox |
UNCONFIRMED |
| 1935516 |
there might be a memory leak, excessive ram usage impacting functions |
UNCONFIRMED |
| 1935525 |
Memory leak caused by minimizing or obscuring the browser with a fullscreen window |
UNCONFIRMED |
| 1937327 |
memory usage too high, up to 2gb of ram |
UNCONFIRMED |
| 1937651 |
Firefox nightly 135.0a1 for macos high ram usage |
UNCONFIRMED |
| 1939051 |
Runaway memory leak every 24 hours |
UNCONFIRMED |
| 1939357 |
Firefox using 2+ GB of memory even with less than 6 tabs open |
UNCONFIRMED |
| 1939424 |
RAM usage |
UNCONFIRMED |
| 1939960 |
Despite having all of opened tabs being discarded, amount of memory firefox uses is still very high. |
UNCONFIRMED |
| 1941208 |
Memory leak |
UNCONFIRMED |
| 1941720 |
Serious memory bloat in gfx |
UNCONFIRMED |
| 1942536 |
High RAM Usage |
UNCONFIRMED |
| 1945363 |
Very high memory usage (4GB) on YouTube |
UNCONFIRMED |
| 1945742 |
Firefox causes memory leaks |
UNCONFIRMED |
| 1946907 |
memory issue |
UNCONFIRMED |
| 1947295 |
Weird memory usage for Pre-loaded New Tab In MacOS |
UNCONFIRMED |
| 1948501 |
Firefox is using a lot of RAM on youtube |
UNCONFIRMED |
| 1949721 |
Firefox uses too much ram |
UNCONFIRMED |
| 1951532 |
memory youtube |
UNCONFIRMED |
| 1952233 |
Very high and unusual memory usage from Firefox |
UNCONFIRMED |
| 1952640 |
Mozilla Consumes Lots of memory Recently after updating to new version I believe |
UNCONFIRMED |
| 1952654 |
high memory usuage |
UNCONFIRMED |
| 1953185 |
Why does Firefox consume alot of memory when posting multipart/form-data request with total size greater that ~5GB? |
UNCONFIRMED |
| 1955032 |
discovered memory leak w/ firefox for windows after reloading tabs - tried w/ tab reload and powershell - all ram gets consumed |
UNCONFIRMED |
| 1955512 |
Excess memory usage |
UNCONFIRMED |
| 1955563 |
Firefox is using too much RAM |
UNCONFIRMED |
| 1956680 |
Big memory leak when browsing aliexpress |
UNCONFIRMED |
| 1957081 |
inactive youtube tab can grow to 2 GB memory usage and slow down the system dramatically |
UNCONFIRMED |
| 1957209 |
Rapid memory growth on https://observablehq.com/d/a741f9a27e8c0e73. And almost all of it is heap-unclassified (d3.js) |
NEW |
| 1959569 |
Firefox uses 1.5 GB of RAM with only two tabs open in Windows 11, and causes frequent crashes. |
UNCONFIRMED |
| 1961415 |
Firefox memory leak when watching YouTube Shorts |
UNCONFIRMED |
| 1961707 |
there are memory problems when other apps try to use firefox such as plugins, or sometimes it just randomly removes memory. i got signed out of everything. |
UNCONFIRMED |
| 1964744 |
high cpu memory youtube |
UNCONFIRMED |
| 1967687 |
Severe memory problem |
UNCONFIRMED |
| 1968166 |
Firefox stuck on garbage collection infinitely when using youtube |
UNCONFIRMED |
| 1968605 |
FirefoxCP Isolated web content eats ram Macbook air m4 and m1 |
UNCONFIRMED |
| 1969774 |
Firefox consume a lot of RAM after latest update |
UNCONFIRMED |
| 1972891 |
Extremely high memory usage (16GB) after leaving tab open for multiple hours |
UNCONFIRMED |
| 1974559 |
Modified codepen demo takes 4GB RAM with all of it in heap-unclassified. It is also ~2x slower in firefox. |
NEW |
| 1976603 |
Unusual memory usage while minimized. |
UNCONFIRMED |
| 1977091 |
Codepen demo (https://codepen.io/shubniggurath/pen/MYwdaEq) can spend 15 seconds around cleanup on dragging some control sliders |
NEW |
| 1979506 |
High RAM memory usage in Firefox 141 (or memory leak) |
UNCONFIRMED |
| 1980023 |
Memory leak in main process over extended (2+ days) sessions |
UNCONFIRMED |
| 1982423 |
Incorporate Linux memory PSI on tab unloading |
NEW |
| 1982717 |
Firefox locks up on macOS Tahoe (version 26) |
UNCONFIRMED |
| 1983342 |
Huge memory leak. Almost unusable with hangs gyrations in search/tab |
UNCONFIRMED |
| 1985723 |
Scrolling web page very high CPU usage and blank sections (Decode of multiple large images on multiple TC threads, rapid rise in shared memory leading to hang/OOM) |
NEW |
| 1987212 |
memory leak when scrolling code blocks on chatgpt.com |
UNCONFIRMED |
| 1989835 |
Firefox freezing Linux Kernel by propagating Memory Leak on Website |
UNCONFIRMED |
| 1990171 |
[macOS] Over 2GB of "decommitted" memory, despite massive swap usage |
UNCONFIRMED |
| 1990191 |
memory leak on macos |
UNCONFIRMED |
| 1990814 |
High RAM memory usage in Firefox 141 using specifc AddOns - relation to 1979506 |
NEW |
| 1991006 |
big memory usage on mac |
UNCONFIRMED |
| 1994902 |
Firefox uses a 2000MB+ memory with 6 tabs open. |
UNCONFIRMED |
| 1995907 |
Send PSI values when a content process is killed by OOM killer |
ASSIGNED |
| 1996795 |
Memory leak in main Firefox proces |
UNCONFIRMED |