Vulnerability Intelligence Report
Adobe Flash Player Use-After-Free Vulnerability
CVE-2015-5123
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
7.8
HIGH
Exploitability:1.9
Impact Score:5.9
EPSS Probability:18.49%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-416 ↗CWE-416 Use After Free
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| redhat | enterprise_linux_desktop | 5.0, 6.0 |
| redhat | enterprise_linux_server | 5.0, 6.0 |
| redhat | enterprise_linux_server_eus | 6.6 |
| redhat | enterprise_linux_workstation | 5.0, 6.0 |
| opensuse | evergreen | 11.4 |
| suse | linux_enterprise_desktop | 11, 12 |
| suse | linux_enterprise_workstation_extension | 12 |
| adobe | flash_player | all |
| linux | linux_kernel | all |
| adobe | flash_player_desktop_runtime | all |
| apple | macos | all |
| microsoft | windows | all |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Adobe Systems Incorporated · Vendor · USA |
| Reserved | 2015-06-26T00:00:00 |
| Published | 2015-07-14T10:00:00 |
| Patch Date | 2015-07-10 |
| Last Updated | 2025-11-17T19:54:01 |
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