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Actively exploited · Published Jul 14, 2015 · Assigned by adobe

CVE-2015-5123

High 7.8 Exploited

In plain English

A high-severity use-after-free in Flash Player from Adobe. Attackers are actively exploiting it in the wild (listed by CISA on April 13, 2022). The chance it is exploited in the next 30 days is estimated at 18.8% (higher than 97% of all known vulnerabilities). The impacted product is end-of-life and should be disconnected if still in use.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)18.8%top 2.7% of all CVEs
Exploited in the wildYesCISA KEV since Apr 13, 2022
Attack toolingNoneno public tooling known

CISA guidance

The impacted product is end-of-life and should be disconnected if still in use.

Federal agencies must remediate by May 4, 2022.

Official description

Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that overrides a valueOf function, as exploited in the wild in July 2015.

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References