CVE-2013-1738

Use-after-free vulnerability in the JS_GetGlobalForScopeChain function in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21…

published September 18, 2013

CVSS
—
EPSS
6%
Percentile
93.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky use-after-free vulnerability lurks in Mozilla Firefox, Thunderbird, and SeaMonkey versions before 24.0 and 2.21 — an open window for remote attackers to execute arbitrary code! Think of it like a restaurant that throws out a plate without checking if it might still have food left on it — you wouldn't want a new dish served on a dirty plate, right? That's how this vulnerability mishandles memory, allowing attackers to slip in their own code instead! If an attacker exploits this vulnerability, they could run malicious code on your system, potentially leading to data breaches or unauthorized access. Imagine a rogue chef in the kitchen, whipping up a special dish that shouldn't be served! This could compromise your entire browsing experience.

Put simply

Think of it like a restaurant that throws out a plate without checking if it might still have food left on it — you wouldn't want a new dish served on a dirty plate, right? That's how this vulnerability mishandles memory, allowing attackers to slip in their own code instead! This use-after-free vulnerability occurs in the JS_GetGlobalForScopeChain function due to improper garbage collection. In certain scenarios involving default compartments and frame-chain restoration, it allows attackers to exploit memory mismanagement.

What to do

If an attacker exploits this vulnerability, they could run malicious code on your system, potentially leading to data breaches or unauthorized access. Imagine a rogue chef in the kitchen, whipping up a special dish that shouldn't be served! This could compromise your entire browsing experience. To protect yourself, upgrade Firefox, Thunderbird, and SeaMonkey to their latest versions. Always ensure your software is up-to-date, as this fixes the memory mismanagement issue. Regularly check for updates to keep your systems secure! You've got this! By staying vigilant and updating your software, you can lock down your browsing experience like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.05908 · 93.2th percentile
Published
2013-09-18T10:00Z
EPSS history
Timeline
  • 18 SEP 10:00Z
    Use-after-free vulnerability in the JS_GetGlobalForScopeChain function in Mozilla Firefox before 24.0, Thunderbird before 24.0, and SeaMonkey before 2.21…
    cvelistv5