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CVE-2015-5119: Adobe Flash Player Use-After-Free Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2022-03-03
• EPSS: 98.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2015-07-08 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Adobe Flash Player 24.0.0.186 and earlier.: from 13.0.0.182 through 13.0.0296; from 14.0.0.125 through 18.0.0.194; through 11.2.202.468
• openSUSE Evergreen: 11.4
• Opensuse: 13.1, 13.2
• RedHat Enterprise Linux Desktop: 5.0, 6.0
• RedHat Enterprise Linux Eus: 6.6
• RedHat Enterprise Linux Server: 5.0, 6.0
• RedHat Enterprise Linux Server Aus: 6.6
• RedHat Enterprise Linux Server From Rhui: 5.0, 6.0
• RedHat Enterprise Linux Workstation: 5.0, 6.0
• SUSE Linux Enterprise Server 15 SP1: 11-sp3, 11-sp4, 12
• SUSE Linux Enterprise Workstation Extension: 12

References

• http://blog.trendmicro.com/trendlabs-security-intelligence/unpatched-flash-player-flaws-more-pocs-found-in-hacking-team-leak/
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00015.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00016.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00017.html
• http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00018.html
• http://rhn.redhat.com/errata/RHSA-2015-1214.html
• http://twitter.com/w3bd3vil/statuses/618168863708962816
• http://www.kb.cert.org/vuls/id/561288
• http://www.rapid7.com/db/modules/exploit/multi/browser/adobe_flash_hacking_team_uaf
• http://www.securityfocus.com/bid/75568
• http://www.securitytracker.com/id/1032809
• http://www.us-cert.gov/ncas/alerts/TA15-195A

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