CVE-2015-5123highunder attackCWE-416

CVE-2015-5123

Published · Updated

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56Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 7.8epss 19%
from disclosure to weapon
Published on NVDJul 14
CISA KEV+2465d
What the vendors declare (VEX)

Official vendor statements in CSAF/VEX format: whether their product is affected, already fixed, or ruled out — and why. These are the vendor's assertions, not Vexday's judgment.

Red HatVEX document ↗
Fixed
5 products
Red Hat Enterprise Linux Desktop Supplementary (v. 5) · Red Hat Enterprise Linux Desktop Supplementary (v. 6) · Red Hat Enterprise Linux Server Supplementary (v. 5) · Red Hat Enterprise Linux Server Supplementary (v. 6) · Red Hat Enterprise Linux Workstation Supplementary (v. 6)
fix ↗
Action required by CISAfederal deadline: 2022-05-04

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

In short

A use-after-free flaw in Adobe Flash Player's BitmapData class allows attackers to run malicious code or crash your browser by sending specially crafted Flash content that tricks the program into using memory that has already been freed.

Technical detail

Use-after-free vulnerability in BitmapData class (CWE-416) triggered when valueOf function is overridden in crafted Flash content, enabling arbitrary code execution or denial of service through memory corruption. Affects Flash Player 13.x–18.0.x on Windows/OS X and 11.x–18.0.x on Linux; vector is remote via malicious SWF files.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products
n/a · n/a