# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2015-5123
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-04-13; CISA due date 2022-05-04
- EPSS: 18.83% (percentile 97.3)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-11-17)
- Weakness: CWE-416
- Published: 2015-07-14

## Affected

- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_server_eus
- redhat:enterprise_linux_workstation
- opensuse:evergreen
- suse:linux_enterprise_desktop
- suse:linux_enterprise_workstation_extension
- adobe:flash_player
- adobe:flash_player_desktop_runtime

## References

- [other] http://www.securitytracker.com/id/1032890
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.html
- [other] http://blog.trendmicro.com/trendlabs-security-intelligence/new-zero-day-vulnerability-cve-2015-5123-in-adobe-flash-emerges-from-hacking-team-leak/
- [advisory] http://marc.info/?l=bugtraq&m=144050155601375&w=2
- [advisory] http://www.us-cert.gov/ncas/alerts/TA15-195A
- [other] https://helpx.adobe.com/security/products/flash-player/apsb15-18.html
- [advisory] http://www.kb.cert.org/vuls/id/918568
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.html
- [advisory] https://security.gentoo.org/glsa/201508-01
- [advisory] https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784
- [advisory] http://rhn.redhat.com/errata/RHSA-2015-1235.html
- [other] http://www.securityfocus.com/bid/75710
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.html
- [other] https://helpx.adobe.com/security/products/flash-player/apsa15-04.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5123
- [other] https://github.com/cisagov/vulnrichment/issues/196

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.