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.
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 18 Nov 2025 05:15:00 +0900

Type Values Removed Values Added
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 22 Oct 2025 09:30:00 +0900


Wed, 22 Oct 2025 05:30:00 +0900


Wed, 22 Oct 2025 04:30:00 +0900


Wed, 05 Feb 2025 07:15:00 +0900

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-04-13'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 14 Aug 2024 09:00:00 +0900

Type Values Removed Values Added
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: adobe

Published:

Updated: 2025-11-17T19:54:01.023Z

Reserved: 2015-06-26T00:00:00.000Z

Link: CVE-2015-5123

cve-icon Vulnrichment

Updated: 2024-08-06T06:32:32.897Z

cve-icon NVD

Status : Deferred

Published: 2015-07-14T10:59:01.337

Modified: 2025-11-17T20:15:46.577

Link: CVE-2015-5123

cve-icon Redhat

Severity : Critical

Publid Date: 2015-07-10T00:00:00Z

Links: CVE-2015-5123 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses