CASCACascade Atlas

Evidence dossier

CVE-2015-5123

CVE-2015-5123

68.1–88.6Priority evidence range
As known Jul 19, 2026, 5:00 AM UTCgen-56ccdaf9

Normalized restatement

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.

State
PUBLISHED
Published
Jul 14, 2015
Updated
Nov 17, 2025
Evidence coverage
72%
CISA KEVCatalog member

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

FIRST EPSS18.49%

2026-07-18 · v2026.06.15 · percentile 96.9%

Source stateConflict visible

Distinct CVSS assessments remain side by side; none are averaged.

Source comparison

Who said what

adobeoriginal assertion
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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-ADPindependent enrichment
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CISA ADP Vulnrichment

CVEderivative copy
container

CVE Program Container

CISA KEVoriginal assertion
observed_exploitation

Adobe Flash Player Use-After-Free Vulnerability

FIRST EPSSoriginal assertion
model_probability

Probability 0.184930000000; percentile 0.969220000000

Applicability

Cited product scope

Trace impact →
n/an/a
[{"status": "affected", "version": "n/a"}]unknown
Unknown vendorUnknown product
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:*:*:*; start including 11.0; end including 11.2.202.481supported
Unknown vendorUnknown product
cpe:2.3:a:adobe:flash_player:*:*:*:*:chrome:*:*:*; start including 18.0; end including 18.0.0.203supported
Unknown vendorUnknown product
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*; start including 18.0; end including 18.0.0.203supported
Unknown vendorUnknown product
cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:*; start including 13.0; end including 13.0.0.302supported
Unknown vendorUnknown product
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*constrained
Unknown vendorUnknown product
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*constrained
Unknown vendorUnknown product
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*constrained
Unknown vendorUnknown product
cpe:2.3:o:opensuse:evergreen:11.4:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_server_eus:6.6:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp3:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp4:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:suse:linux_enterprise_desktop:12:*:*:*:*:*:*:*supported
Unknown vendorUnknown product
cpe:2.3:o:suse:linux_enterprise_workstation_extension:12:*:*:*:*:*:*:*supported

Assessments

CVSS by origin

9.8
nvd@nist.govCVSS 3.1 · role PrimaryCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0
nvd@nist.govCVSS 2.0 · role PrimaryAV:N/AC:L/Au:N/C:C/I:C/A:C
7.8
134c704f-9b21-4f2e-91b3-4a467353bcc0CVSS 3.1 · role SecondaryCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
7.8
CISA-ADPCVSS 3.1 · role unknownCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Limitations and unknowns

  • KEV membership is authoritative for the catalog, not proof of exposure in any environment.
  • EPSS is a dated model probability and not an individual-environment prediction.
  • Affected or fixed status applies only to the exact cited product and version scope; unresolved scope remains unknown.
  • NVD-carried upstream facts remain derivative and are not independent corroboration.
  • Only NVD metrics validated under the generation-bound calculator are Public Priority eligible; direct CVE record metrics remain display-only.
  • NVD CVSS source eligibility is closed: NVD-authored, exact record-source, or registered same-CVE container origin; unmapped sources remain display-only.
  • Factor D is unknown in Public Core because no accepted canonical mapping-obligation ledger is present.
  • Core replay supports the active and immediately prior generation; retrospective valid-at replay is deferred.