CVE-2015-5119

KEVAdobe Flash Player Use-After-Free Vulnerability

Description

A use-after-free vulnerability exists within the ActionScript 3 ByteArray class in Adobe Flash Player that allows an attacker to perform remote code execution.

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.

CVSS 3.1 vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

PublishedJul 8, 2015

Last modifiedJun 17, 2026

Added to KEVMar 3, 2022

Remediation dueMar 24, 2022

References

blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hacking-team-leak/Broken Link
lists.opensuse.org/opensuse-security-announce/2015-07/msg00015.htmlMailing ListThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2015-07/msg00016.htmlMailing ListThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2015-07/msg00017.htmlMailing ListThird Party Advisory
lists.opensuse.org/opensuse-security-announce/2015-07/msg00018.htmlMailing ListThird Party Advisory
rhn.redhat.com/errata/RHSA-2015-1214.htmlThird Party Advisory
twitter.com/w3bd3vil/statuses/618168863708962816Broken Link
kb.cert.org/vuls/id/561288Third Party AdvisoryUS Government Resource
rapid7.com/db/modules/exploit/multi/browser/adobe_flash_hacking_team_uafThird Party Advisory
securityfocus.com/bid/75568Broken LinkThird Party Advisory
securitytracker.com/id/1032809Broken LinkThird Party Advisory
us-cert.gov/ncas/alerts/TA15-195AThird Party AdvisoryUS Government Resource

0 recent articles mention this CVE

Risk assessment · Critical

Actively exploited. Patch immediately.

Exploitation: Confirmed in the wild (CISA KEV)
Federal remediation deadline: Overdue by 1678 days
CVSS: 9.8 CRITICAL
EPSS (30-day exploit probability): 98.6% · top 1% of all CVEs
Weakness: CWE-416
Attack vector: Network, remotely reachable
Preconditions: No privileges and no user interaction

Recommended actions

1.The impacted product is end-of-life and should be disconnected if still in use.
2.Treat as emergency change: patch or isolate internet-facing instances first.
3.Review exposure: confirm which instances are reachable from the internet and restrict access until patched.
4.Hunt for compromise: review logs for the disclosure window, not just from the patch date.

Assessment is derived automatically from the live signals above; verify against your own asset inventory.