CVE-2012-4187

Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not…

published October 10, 2012

CVSS
—
EPSS
7%
Percentile
94.0
In the wild
Unconfirmed
What it is

⚠️ A simple variable mismanagement opens the door to chaos! This vulnerability in Firefox and related apps could let attackers execute arbitrary code. 🔥 Think of it like a restaurant where the chef accidentally leaves the order ticket machine on a counter without checking the orders coming in. Any random person could slip in a false order and cause the kitchen to prepare something dangerous instead of the customer's real meal. An attacker could exploit this mishap to run malicious code on your system, leading to complete chaos, such as unauthorized actions or even crashing your application! Imagine the havoc in a busy restaurant if the wrong meals keep getting sent out!

Put simply

Think of it like a restaurant where the chef accidentally leaves the order ticket machine on a counter without checking the orders coming in. Any random person could slip in a false order and cause the kitchen to prepare something dangerous instead of the customer's real meal. This vulnerability arises from improper management of the insPos variable, which can result in heap memory corruption and assertion failures, potentially allowing remote execution of arbitrary code.

What to do

An attacker could exploit this mishap to run malicious code on your system, leading to complete chaos, such as unauthorized actions or even crashing your application! Imagine the havoc in a busy restaurant if the wrong meals keep getting sent out! To secure your systems, immediately upgrade to Firefox 16.0 or later, Thunderbird 16.0 or later, and SeaMonkey 2.13 or later. Ensure that you stay updated on all future patches to avoid similar vulnerabilities. 🛡️ You've got this! With a quick update, you can keep your digital kitchen running smoothly! 🌟

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.06842 · 94.0th percentile
Published
2012-10-10T17:00Z
EPSS history
Timeline
  • 10 OCT 17:00Z
    Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbird before 16.0, Thunderbird ESR 10.x before 10.0.8, and SeaMonkey before 2.13 do not…
    cvelistv5