CVE-2018-5145

Memory safety bugs were reported in Firefox ESR 52.6

published June 11, 2018

CVSS
—
EPSS
3%
Percentile
87.0
In the wild
Unconfirmed
What it is

⚠️ A memory safety bug in Firefox ESR 52.6 could lead to some serious mischief! With the right effort, attackers might run arbitrary code—yikes! 🔥 Think of it like a café that serves drinks without checking for allergens. If a customer sneaks in a forbidden ingredient, it could ruin the whole batch! Just like that café, Firefox needs to ensure its memory is safe from harmful inputs. If exploited, this vulnerability could allow an attacker to manipulate the browser's memory and execute malicious code, potentially compromising your data and privacy. While it isn't known to be actively exploited yet, the possibility is there, and that's enough to raise an eyebrow!

Put simply

Think of it like a café that serves drinks without checking for allergens. If a customer sneaks in a forbidden ingredient, it could ruin the whole batch! Just like that café, Firefox needs to ensure its memory is safe from harmful inputs. This vulnerability stems from memory safety issues in Firefox ESR versions below 52.7, which can lead to memory corruption and possible arbitrary code execution. Essentially, some mismanaged memory areas could be manipulated by attackers for their gain.

What to do

If exploited, this vulnerability could allow an attacker to manipulate the browser's memory and execute malicious code, potentially compromising your data and privacy. While it isn't known to be actively exploited yet, the possibility is there, and that's enough to raise an eyebrow! Update Firefox ESR to version 52.7 or later immediately to mitigate this risk. Additionally, encourage users to keep Thunderbird updated as well to ensure both applications are protected. Regularly auditing for software updates is a good habit! You've got this! Stay vigilant with updates, and you'll keep your browsing experience safe and sound. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02964 · 87.0th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    Memory safety bugs were reported in Firefox ESR 52.6
    cvelistv5