CVE DATABASE / CVE-2015-5123
CVE-2015-5123
Adobe Flash Player Use-After-Free Vulnerability
Confirmed exploited in the wild. Added 2022-04-13.
Federal remediation due 2022-05-04.
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Summary
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 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
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References
- http://blog.trendmicro.com/trendlabs-security-intelligence/new-zero-day-vulnerability-cve-2015-5123-in-adobe-flash-emerges-from-hacking-team-leak/
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.html
- http://marc.info/?l=bugtraq&m=144050155601375&w=2
- http://rhn.redhat.com/errata/RHSA-2015-1235.html
- http://www.kb.cert.org/vuls/id/918568
- http://www.securityfocus.com/bid/75710
- http://www.securitytracker.com/id/1032890
- http://www.us-cert.gov/ncas/alerts/TA15-195A
- https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784
- https://helpx.adobe.com/security/products/flash-player/apsa15-04.html
- https://helpx.adobe.com/security/products/flash-player/apsb15-18.html
- https://security.gentoo.org/glsa/201508-01
- https://github.com/cisagov/vulnrichment/issues/196
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-21. Always verify against the vendor advisory before acting.