CVE-2010-1209

Use-after-free vulnerability in the NodeIterator implementation in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6…

published July 30, 2010

CVSS
—
EPSS
5%
Percentile
92.6
In the wild
Unconfirmed
What it is

⚠️ A crafty NodeFilter is the key here! This use-after-free vulnerability in Mozilla Firefox and SeaMonkey can lead to remote code execution, like a sneaky magician pulling a rabbit from an empty hat! 🎩 Think of it like a restaurant that forgets to take a dish off the menu — a customer orders it, but the kitchen has already tossed the recipe. In this scenario, the waiter (NodeIterator) tries to serve something that no longer exists, leading to chaos in the dining experience (your browser). An attacker could potentially execute arbitrary code on your machine, making it a playground for malicious activities. While the vulnerability isn't currently known to be exploited, the possibility is certainly concerning!

Put simply

Think of it like a restaurant that forgets to take a dish off the menu — a customer orders it, but the kitchen has already tossed the recipe. In this scenario, the waiter (NodeIterator) tries to serve something that no longer exists, leading to chaos in the dining experience (your browser). The vulnerability arises from a use-after-free issue in the NodeIterator implementation, allowing malicious crafted NodeFilters to detach DOM nodes improperly, which could lead to arbitrary code execution via JavaScript callbacks. This affects Firefox versions 3.5.x and 3.6.x, as well as SeaMonkey versions prior to their respective patched releases.

What to do

An attacker could potentially execute arbitrary code on your machine, making it a playground for malicious activities. While the vulnerability isn't currently known to be exploited, the possibility is certainly concerning! To safeguard your systems, update Mozilla Firefox to version 3.5.11 or 3.6.7, and SeaMonkey to 2.0.6 or later. Regularly check for updates on your browsers to stay secure. 🛡️ You’ve got this! Update those browsers, and you’ll be back to a safer surfing experience in no time! 🌊✨

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05384 · 92.6th percentile
Published
2010-07-30T20:00Z
EPSS history
Timeline
  • 30 JUL 20:00Z
    Use-after-free vulnerability in the NodeIterator implementation in Mozilla Firefox 3.5.x before 3.5.11 and 3.6.x before 3.6.7, and SeaMonkey before 2.0.6…
    cvelistv5