Vulnerability record

CVE-2015-5119

Adobe Flash Player Use-After-Free Vulnerability

CriticalExploitation confirmedCISA KEV

What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Flash Player, fix it now.

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

US federal civilian agencies must remediate by Mar 24, 2022.

Patch status

Official fix available since Sep 30, 2026

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

Use-after-free vulnerability in the ByteArray class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.296 and 14.x through 18.0.0.194 on Windows and OS X and 11.x through 11.2.202.468 on Linux 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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
Product	Vendor	Affected versions	Source
Flash Player	Adobe	>= 13.0.0.182, <= 13.0.0296; >= 14.0.0.125, <= 18.0.0.194; <= 11.2.202.468	KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

CVSS scoredUpdateKEVSep 30, 2026
CVE-2015-5119 scored CVSS 9.8: Adobe Flash Player, Adobe Flash Player Use-After-Free Vulnerability
CISA lists this as exploited in the wild. Unpatched Flash Player systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
Patch releasedUpdateKEVSep 30, 2026
Patch released for CVE-2015-5119: Adobe Flash Player, Adobe Flash Player Use-After-Free Vulnerability
An official fix is now available for Adobe Flash Player. This vulnerability is being exploited, so apply it promptly.
Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2015-5119
blog.trendmicro.com http://blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hac…
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00015.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00016.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00017.html
lists.opensuse.org http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00018.html
rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2015-1214.html
twitter.com http://twitter.com/w3bd3vil/statuses/618168863708962816
kb.cert.org http://www.kb.cert.org/vuls/id/561288
rapid7.com http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_hacking_team_uaf
securityfocus.com http://www.securityfocus.com/bid/75568
securitytracker.com http://www.securitytracker.com/id/1032809
us-cert.gov http://www.us-cert.gov/ncas/alerts/TA15-195A
helpx.adobe.com https://helpx.adobe.com/security/products/flash-player/apsa15-03.html
helpx.adobe.com https://helpx.adobe.com/security/products/flash-player/apsb15-16.html
packetstormsecurity.com https://packetstormsecurity.com/files/132600/Adobe-Flash-Player-ByteArray-Use-After-Free.html
security.gentoo.org https://security.gentoo.org/glsa/201507-13
github.com https://github.com/cisagov/vulnrichment/issues/196
cisa.gov https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5119