Critical · published June 11, 2025
🔥 An integer overflow in `OrderedHashTable` could let an attacker manipulate memory in ways you don't want. This flaw is like a sneaky chef who can swap out ingredients in your favorite dish without anyone noticing! Picture a restaurant where the chef can secretly adjust the recipe by adding too much of an ingredient, causing the dish to behave unpredictably. In this case, the overflow allows the JavaScript engine to go off-script and execute rogue operations in your system. If exploited, this vulnerability may lead to unauthorized access, data corruption, or even remote code execution, jeopardizing your entire browser experience! An attacker could effectively gain control of your browser and perform malicious actions, which is absolutely devastating. Don't let this one simmer on the back burner!
Picture a restaurant where the chef can secretly adjust the recipe by adding too much of an ingredient, causing the dish to behave unpredictably. In this case, the overflow allows the JavaScript engine to go off-script and execute rogue operations in your system. The integer overflow in `OrderedHashTable` arises when the JavaScript engine processes more data than it can handle, potentially allowing an attacker to manipulate memory and cause erratic behavior. This vulnerability was patched in Firefox version 139.0.4.
If exploited, this vulnerability may lead to unauthorized access, data corruption, or even remote code execution, jeopardizing your entire browser experience! An attacker could effectively gain control of your browser and perform malicious actions, which is absolutely devastating. Don't let this one simmer on the back burner! Update your Firefox browser immediately to version 139.0.4 or later. This will ensure that you're protected against this critical vulnerability. Also, consider reviewing your application's use of JavaScript to ensure robust memory management practices are followed. You've got this! Patch your browser and keep your online experience safe from sneaky attacks! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| mozilla/firefox | < 139.0.4 | 139.0.4 |