CVE-2017-5373

Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6

published June 11, 2018

CVSS
—
EPSS
3%
Percentile
88.3
In the wild
Unconfirmed
What it is

⚠️ A sneaky memory safety bug in Firefox versions 50.1 and below could allow crafty attackers a chance to exploit your system. 🦸‍♂️ Think of it like a kitchen where the chef leaves the knives lying around unattended—if someone knows where to look, they can whip up a recipe for disaster. 🥴 An attacker could potentially harness these memory corruption flaws to execute arbitrary code, leading to unauthorized access or manipulation of sensitive data. While not confirmed to be actively exploited, the mere possibility puts your systems at risk if left unchecked! 🔥

Put simply

Think of it like a kitchen where the chef leaves the knives lying around unattended—if someone knows where to look, they can whip up a recipe for disaster. 🥴 This vulnerability arises from memory safety bugs in Firefox and Thunderbird, where improper handling of memory can allow an attacker to manipulate the state of the application, possibly resulting in code execution.

What to do

An attacker could potentially harness these memory corruption flaws to execute arbitrary code, leading to unauthorized access or manipulation of sensitive data. While not confirmed to be actively exploited, the mere possibility puts your systems at risk if left unchecked! 🔥 To safeguard against this vulnerability, update Firefox to version 51 or later, and ensure Thunderbird is upgraded to version 45.7 or newer. Regularly check for updates to maintain security hygiene! 🛡️ You've got this! By keeping your software up to date, you can significantly reduce your risk of exploitation. 😊

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03287 · 88.3th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    Memory safety bugs were reported in Firefox 50.1 and Firefox ESR 45.6
    cvelistv5