CVE-2011-3654

The browser engine in Mozilla Firefox before 8.0 and Thunderbird before 8.0 does not properly handle links from SVG mpath elements to non-SVG elements, which…

published November 9, 2011

CVSS
—
EPSS
4%
Percentile
91.2
In the wild
Unconfirmed
What it is

⚠️ A sneaky mishap in Firefox and Thunderbird could lead to crashes or worse! If you’re using versions before 8.0, watch out for SVG mpath links that play tag with non-SVG elements! Think of it like a restaurant where the waitstaff can’t tell the difference between orders from the kitchen and those from the bar — they could serve a drink instead of a meal, leading to chaos! Similarly, the browser engine can mismanage element links, causing a crash or unwanted behavior. An attacker could exploit this flaw to trigger a denial of service, which means the application could crash unexpectedly. Worse yet, if they play their cards right, there’s potential to execute arbitrary code, opening the door for more severe attacks. Yikes!

Put simply

Think of it like a restaurant where the waitstaff can’t tell the difference between orders from the kitchen and those from the bar — they could serve a drink instead of a meal, leading to chaos! Similarly, the browser engine can mismanage element links, causing a crash or unwanted behavior. This vulnerability arises in Firefox and Thunderbird before version 8.0, where improper handling of SVG mpath links to non-SVG elements results in memory corruption, allowing potential application crashes or code execution.

What to do

An attacker could exploit this flaw to trigger a denial of service, which means the application could crash unexpectedly. Worse yet, if they play their cards right, there’s potential to execute arbitrary code, opening the door for more severe attacks. Yikes! Upgrade your Firefox and Thunderbird to version 8.0 or later immediately to close this loophole. Regularly check for updates to ensure your software stays secure and consider enabling automatic updates if you haven’t already. You've got this! Keep your software updated and you’ll keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04403 · 91.2th percentile
Published
2011-11-09T11:00Z
EPSS history
Timeline
  • 09 NOV 11:00Z
    The browser engine in Mozilla Firefox before 8.0 and Thunderbird before 8.0 does not properly handle links from SVG mpath elements to non-SVG elements, which…
    cvelistv5