Is CVE-2015-5119 being actively exploited?

Yes. CVE-2015-5119 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added on March 3, 2022.

What is the CVSS score for CVE-2015-5119?

CVE-2015-5119 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2015-5119

CRITICAL · CVSS 9.8CISA KEV: actively exploitedEPSS 99.3%EU EUVD: exploited

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-416
EPSS score: 99.3% (100th percentile)
In CISA KEV: Yes, added March 3, 2022
In EU EUVD: Yes (EUVD-2015-5134)
Published: July 8, 2015
NVD last modified: June 17, 2026
Status: Analyzed

CISA Known Exploited Vulnerability

Adobe Flash Player Use-After-Free Vulnerability

Added to the KEV catalog on March 3, 2022; federal remediation due March 24, 2022.

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2015-5134 in the EU Vulnerability Database. ENISA flags it as known exploited. Last updated in EUVD on November 17, 2025.

View on the EU Vulnerability Database

Affected products

adobe / flash player
apple / mac os x
linux / linux kernel
microsoft / windows
opensuse / evergreen
opensuse / opensuse
opensuse / opensuse
redhat / enterprise linux desktop
redhat / enterprise linux desktop
redhat / enterprise linux eus
redhat / enterprise linux server
redhat / enterprise linux server
redhat / enterprise linux server aus
redhat / enterprise linux server from rhui
redhat / enterprise linux server from rhui
redhat / enterprise linux workstation
redhat / enterprise linux workstation
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise desktop
suse / linux enterprise workstation extension

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

Red Hat Enterprise Linux 5 OpenSSH-Server Cryptographic Module - Red Hat®, Inc. - FIPS 140 1384 - historical

References

http://blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hacking-team-leak/(Broken Link)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00015.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00016.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00017.html(Mailing List, Third Party Advisory)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00018.html(Mailing List, Third Party Advisory)
http://rhn.redhat.com/errata/RHSA-2015-1214.html(Third Party Advisory)
http://twitter.com/w3bd3vil/statuses/618168863708962816(Broken Link)
http://www.kb.cert.org/vuls/id/561288(Third Party Advisory, US Government Resource)
http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_hacking_team_uaf(Third Party Advisory)
http://www.securityfocus.com/bid/75568(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id/1032809(Broken Link, Third Party Advisory, VDB Entry)
http://www.us-cert.gov/ncas/alerts/TA15-195A(Third Party Advisory, US Government Resource)
https://github.com/cisagov/vulnrichment/issues/196(Issue Tracking)
https://helpx.adobe.com/security/products/flash-player/apsa15-03.html(Broken Link, Patch, Vendor Advisory)
https://helpx.adobe.com/security/products/flash-player/apsb15-16.html(Broken Link, Patch, Vendor Advisory)
https://packetstormsecurity.com/files/132600/Adobe-Flash-Player-ByteArray-Use-After-Free.html(Exploit, Third Party Advisory, VDB Entry)
https://security.gentoo.org/glsa/201507-13(Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5119(US Government Resource)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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