CVE-2023-4057

Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0

published August 1, 2023

CVSS
—
EPSS
1%
Percentile
58.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky memory safety bug is lurking in Firefox and Thunderbird versions under 116! This vulnerability could potentially allow an attacker to run arbitrary code with enough effort, making it a serious concern. 🔥 Think of this like a leaky pipe in a house. If not fixed, the leak can grow, causing significant damage over time, just as a little memory corruption can lead to big problems in your browser! If exploited, an attacker might gain control, leading to unauthorized access to data or even running malicious code on your system. Yikes! This could put your personal information at risk, creating a gateway for further attacks.

Put simply

Think of this like a leaky pipe in a house. If not fixed, the leak can grow, causing significant damage over time, just as a little memory corruption can lead to big problems in your browser! This vulnerability stems from memory safety issues in Firefox and Thunderbird, particularly in versions under 116, where corrupted memory could potentially lead to arbitrary code execution.

What to do

If exploited, an attacker might gain control, leading to unauthorized access to data or even running malicious code on your system. Yikes! This could put your personal information at risk, creating a gateway for further attacks. To safeguard your system, immediately update Firefox to version 116 or later, and ensure Thunderbird is also updated to at least version 115.1. Keeping your software updated is your best defense against these types of vulnerabilities! You've got this! Keep your browser secure and stay one step ahead of potential threats. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00888 · 58.9th percentile
Published
2023-08-01T15:01Z
EPSS history
Timeline
  • 01 AUG 15:01Z
    Memory safety bugs present in Firefox 115, Firefox ESR 115.0, and Thunderbird 115.0
    cvelistv5