CVE-2009-3373

Heap-based buffer overflow in the GIF image parser in Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers…

published October 29, 2009

CVSS
—
EPSS
16%
Percentile
96.8
In the wild
Unconfirmed
What it is

⚠️ A heap-based buffer overflow lurking in the GIF image parser could let attackers execute arbitrary code on vulnerable versions of Firefox or SeaMonkey! Think of it like a restaurant where the chef accepts any dish order without checking the ingredients — a rogue recipe could lead to chaos in the kitchen! 🥴 If exploited, an attacker could potentially take over your system, running any code they want—imagine an intruder messing with your secret sauce! While there’s no confirmed exploitation yet, the possibility is certainly alarming.

Put simply

Think of it like a restaurant where the chef accepts any dish order without checking the ingredients — a rogue recipe could lead to chaos in the kitchen! 🥴 This vulnerability occurs in the GIF image parser of Mozilla Firefox and SeaMonkey due to a heap-based buffer overflow, allowing attackers to manipulate memory and execute arbitrary code via specially crafted GIF images.

What to do

If exploited, an attacker could potentially take over your system, running any code they want—imagine an intruder messing with your secret sauce! While there’s no confirmed exploitation yet, the possibility is certainly alarming. To protect yourself, upgrade your Firefox to version 3.0.15 or 3.5.4, or your SeaMonkey to version 2.0. Stay vigilant and avoid opening suspicious GIF files until you're patched up! You can do this! Keep your software updated and you'll stay ahead of potential threats! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.15519 · 96.8th percentile
Published
2009-10-29T14:00Z
EPSS history
Timeline
  • 29 OCT 14:00Z
    Heap-based buffer overflow in the GIF image parser in Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers…
    cvelistv5