CVE-2018-15982KEV · OVERDUECWE-416

Adobe Flash Player Use-After-Free Vulnerability

High · published January 18, 2019

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 99.8th percentile for exploit probability.

1530
days past CISA
deadline
CVSS v3.1
7.8
EPSS
90%
Percentile
99.8
In the wild
Confirmed
What it is

🚨 A classic use-after-free bug in Flash Player could be your worst nightmare—versions 31.0.0.153 and earlier are vulnerable to arbitrary code execution! ⚡ Think of this like a restaurant where the chef keeps cooking with a pot that was already used, without realizing it got too hot and nearly melted. When that error happens, anyone with access can toss in whatever ingredients they want—yikes! An attacker could exploit this vulnerability to execute any code on your system, potentially leading to severe data breaches or even full control over your device. This is absolutely devastating, especially if you’re running outdated software!

Put simply

Think of this like a restaurant where the chef keeps cooking with a pot that was already used, without realizing it got too hot and nearly melted. When that error happens, anyone with access can toss in whatever ingredients they want—yikes! This use-after-free vulnerability in Flash Player allows an attacker to manipulate memory after it has been freed, leading to arbitrary code execution. Essentially, it's a moment of mismanagement in memory handling that can be exploited.

What to do

An attacker could exploit this vulnerability to execute any code on your system, potentially leading to severe data breaches or even full control over your device. This is absolutely devastating, especially if you’re running outdated software! To protect yourself, immediately update Flash Player to version 31.0.0.154 or later. If you're using software that relies on Flash, ensure it's also patched. It's time to bolster your defenses! You’ve got this! Implement these steps and lock down your systems—security hero status: activated! 🛡️

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.89581 · 99.8th percentile
Weakness
CWE-416 · Use After Free
Published
2019-01-18T22:29Z
KEV added
2022-02-15 · due 2022-08-15
Affected products (8)
ProductVersionsFixed in
adobe/flash_player≤ 31.0.0.153—
adobe/flash_player≤ 31.0.0.153—
adobe/flash_player≤ 31.0.0.153—
adobe/flash_player≤ 31.0.0.153—
redhat/enterprise_linux_desktopall versions—
redhat/enterprise_linux_serverall versions—
redhat/enterprise_linux_workstationall versions—
adobe/flash_player_installer≤ 31.0.0.108—
References (10)
EPSS history
Timeline
  • 15 FEB 00:00Z
    Added to CISA KEV — remediate by Aug 15
    kev
  • 18 JAN 17:00Z
    Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have a use after free vulnerability
    cvelistv5