CVE-2008-5017

Integer overflow in xpcom/io/nsEscape.cpp in the browser engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before…

published November 13, 2008

CVSS
—
EPSS
4%
Percentile
90.0
In the wild
Unconfirmed
What it is

⚠️ A crafty integer overflow in Mozilla's browser engine lets attackers potentially crash your application without breaking a sweat! Think of it like a restaurant where one table can order an infinite amount of food, causing the kitchen to crash under the pressure — too many orders lead to chaos in the back! If an attacker exploits this vulnerability, they can trigger a denial of service, leaving users unable to access the browser or any of its features. Imagine your favorite web app suddenly freezing up; it's frustrating and could lead to serious downtime.

Put simply

Think of it like a restaurant where one table can order an infinite amount of food, causing the kitchen to crash under the pressure — too many orders lead to chaos in the back! This vulnerability arises from an integer overflow in the XPCOM component of Firefox, Thunderbird, and SeaMonkey, which allows for unexpected behavior due to improper handling of numerical values. Essentially, it can cause the system to malfunction and crash when faced with specific inputs.

What to do

If an attacker exploits this vulnerability, they can trigger a denial of service, leaving users unable to access the browser or any of its features. Imagine your favorite web app suddenly freezing up; it's frustrating and could lead to serious downtime. Patch to Firefox 3.0.4 or later, Thunderbird 2.0.0.18 or later, and SeaMonkey 1.1.13 or later to avoid this issue. Additionally, consider implementing monitoring for unusual crashes or error reports from users to catch potential attempts quickly. You've got this! Stay vigilant, patch up, and you'll keep your browser safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03839 · 90.0th percentile
Published
2008-11-13T11:00Z
EPSS history
Timeline
  • 13 NOV 11:00Z
    Integer overflow in xpcom/io/nsEscape.cpp in the browser engine in Mozilla Firefox 3.x before 3.0.4, Firefox 2.x before 2.0.0.18, Thunderbird 2.x before…
    cvelistv5