CVE-2018-5148

A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one

published June 11, 2018

CVSS
โ€”
EPSS
3%
Percentile
86.8
In the wild
Unconfirmed
What it is

โš ๏ธ A raw pointer is causing a crash party! This use-after-free vulnerability in Firefox's compositor could lead to an unexpected meltdown during certain graphics operations. ๐Ÿ”ฅ Think of this like a restaurant where a chef accidentally drops a dish but keeps serving it โ€” if a customer takes a bite, they might end up with a nasty surprise! Here, the compositor is trying to serve up graphics but is grabbing from a messy kitchen instead. If exploited, this flaw could cause Firefox to crash unexpectedly, leading to loss of work and a frustrating experience for users. While the risk of actual exploitation is currently low, the potential for disruption still makes it worth addressing!

Put simply

Think of this like a restaurant where a chef accidentally drops a dish but keeps serving it โ€” if a customer takes a bite, they might end up with a nasty surprise! Here, the compositor is trying to serve up graphics but is grabbing from a messy kitchen instead. This vulnerability arises when a raw pointer is mishandled instead of using a reference counted pointer, which can result in a use-after-free scenario in the compositor code. This can lead to application instability and crashes during specific graphics operations.

What to do

If exploited, this flaw could cause Firefox to crash unexpectedly, leading to loss of work and a frustrating experience for users. While the risk of actual exploitation is currently low, the potential for disruption still makes it worth addressing! To fix this, users should upgrade Firefox ESR to version 52.7.3 or newer, or update Firefox to version 59.0.2 or later. Regularly check for updates to ensure you're protected from similar issues in the future. You've got this! By keeping your browsers updated, you're helping to keep the internet safe and sound! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02915 ยท 86.8th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one
    cvelistv5