CVE-2015-5122

Use-after-free vulnerability in the DisplayObject 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 leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.

Score: CVSS 3.1 9.8 Critical
Status: Analyzed - psirt@adobe.com
Published: 2015-07-14
Last modified: 2025-11-17
Known exploited (CISA KEV): since 2022-04-13, action due 2022-05-04: The impacted product is end-of-life and should be disconnected if still in use.
Weaknesses: CWE-416

Affected products

References

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://packetstormsecurity.com/files/132663/Adobe-Flash-opaqueBackground-Use-After-Free.html
http://rhn.redhat.com/errata/RHSA-2015-1235.html
http://www.kb.cert.org/vuls/id/338736
http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_opaque_background_uaf
http://www.securityfocus.com/bid/75712
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://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04952467
https://helpx.adobe.com/security/products/flash-player/apsa15-04.html
https://helpx.adobe.com/security/products/flash-player/apsb15-18.html
https://perception-point.io/2018/04/11/breaking-cfi-cve-2015-5122-coop/
https://perception-point.io/new/breaking-cfi.php
https://security.gentoo.org/glsa/201508-01
https://www.exploit-db.com/exploits/37599/
https://www.fireeye.com/blog/threat-research/2015/07/cve-2015-5122_-_seco.html
https://github.com/cisagov/vulnrichment/issues/196
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5122