CVE-2020-15683

Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3

published October 22, 2020

CVSS
—
EPSS
3%
Percentile
85.7
In the wild
Unconfirmed
What it is

⚠️ A few sneaky memory safety bugs are hiding in Firefox and Thunderbird, just waiting for someone to stumble upon them! 🦸 Think of it like a restaurant with a cook who occasionally forgets to check if the ingredients are fresh—if you’re not careful, you might end up with a questionable dish that could make you sick! If exploited, an attacker could potentially run arbitrary code on your system—imagine a diner who sneaks into the kitchen and decides to whip up something unsavory! While there's no evidence of active exploitation, the mere presence of these vulnerabilities can lead to chaos if left unaddressed.

Put simply

Think of it like a restaurant with a cook who occasionally forgets to check if the ingredients are fresh—if you’re not careful, you might end up with a questionable dish that could make you sick! This vulnerability stems from memory safety bugs in Firefox 81, Firefox ESR 78.3, and Thunderbird 78.3. These bugs may allow attackers to corrupt memory, and with enough effort, could lead to remote code execution.

What to do

If exploited, an attacker could potentially run arbitrary code on your system—imagine a diner who sneaks into the kitchen and decides to whip up something unsavory! While there's no evidence of active exploitation, the mere presence of these vulnerabilities can lead to chaos if left unaddressed. To safeguard your systems, update Firefox to version 82 or later, and for Thunderbird, upgrade to version 78.4 or higher. It's essential to keep your software up-to-date with the latest patches to avoid potential risks. You’ve got this! Just follow these steps and you’ll keep your browsing experience safe and sound! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02674 · 85.7th percentile
Published
2020-10-22T20:32Z
EPSS history
Timeline
  • 22 OCT 20:32Z
    Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR 78.3
    cvelistv5