CVE-2017-7786

A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements

published June 11, 2018

CVSS
—
EPSS
4%
Percentile
90.5
In the wild
Unconfirmed
What it is

⚠️ A buffer overflow could be lurking just beyond the pretty pictures! When the image renderer tries to handle non-displayable SVG elements, it can trigger a crash—definitely not the show-stopping performance you want! Think of it as a restaurant trying to serve a complicated dish that wasn’t on the menu. When the kitchen attempts to cook it anyway, it can lead to total chaos—like crashing plates everywhere! This vulnerability could allow an attacker to crash the application, potentially leading to instability or exploitation. If this occurs, it could disrupt user services and lead to a frustrating experience, especially when users are just trying to enjoy their digital meals!

Put simply

Think of it as a restaurant trying to serve a complicated dish that wasn’t on the menu. When the kitchen attempts to cook it anyway, it can lead to total chaos—like crashing plates everywhere! This buffer overflow occurs when Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55 attempt to render unsupported SVG elements, allowing for potential crashes or exploitation due to unchecked memory boundaries.

What to do

This vulnerability could allow an attacker to crash the application, potentially leading to instability or exploitation. If this occurs, it could disrupt user services and lead to a frustrating experience, especially when users are just trying to enjoy their digital meals! To protect against this vulnerability, update Thunderbird and Firefox to the latest versions: 52.3 or above for Thunderbird and ESR, and 55 or above for Firefox. Always keep your software up-to-date to avoid such issues! You've got this! Stay vigilant and keep your applications updated, and you’ll be a security hero in no time! 🦸

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04051 · 90.5th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    A buffer overflow can occur when the image renderer attempts to paint non-displayable SVG elements
    cvelistv5