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CVE-2015-5122

98
FAUCET Score

CVE-2015-5122 is a critical use-after-free vulnerability in Adobe Flash Player's ActionScript 3 implementation, specifically affecting the DisplayObject class across various versions on Windows, OS X, and Linux. This flaw, triggered by improper handling of the opaqueBackground property, allows remote attackers to execute arbitrary code or cause a denial of service. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. The vulnerability has been actively exploited in the wild, with exploit code available in Metasploit and significant community discussion, indicating widespread awareness and potential for continued exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
>= 13.0, <= 13.0.0.302CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:esr:*:*:*
>= 18.0, <= 18.0.0.203CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
>= 18.0, <= 18.0.0.203CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
>= 18.0, <= 18.0.0.204CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
>= 18.0, <= 18.0.0.203CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_10:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
93.69%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
Added to KEV · Apr 13, 2022
Metasploit: Adobe Flash opaqueBackground Use After Free · Jul 6, 2015
ExploitDB: EDB-37599 · Jul 13, 2015
This CVE's current EPSS score of 0.9369 is in the 99th percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5 SupplementaryFixed in: flash-plugin-0:11.2.202.491-1.el5
View patch
redhatpatch availablevia redhat_api
Product: Supplementary for Red Hat Enterprise Linux 6Fixed in: flash-plugin-0:11.2.202.491-1.el6_6
View patch
adobevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2015-5122Critical

flash-plugin: two code execution issues in APSA15-04 / APSB15-18

Jul 10, 2015

References

github.com / cisagov/vulnrichment/issues/196
Issue Tracking
cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
lists.opensuse.org / opensuse-security-announce/2015-07/msg00028.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-07/msg00029.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2015-07/msg00032.html
Mailing ListThird Party Advisory
marc.info
Mailing ListThird Party Advisory
packetstormsecurity.com / files/132663/Adobe-Flash-opaqueBackground-Use-After-Free.html
ExploitThird Party AdvisoryVDB Entry
rhn.redhat.com / errata/RHSA-2015-1235.html
Third Party Advisory
h20564.www2.hp.com / portal/site/hpsc/public/kb/docDisplay
Broken LinkThird Party Advisory
h20564.www2.hpe.com / portal/site/hpsc/public/kb/docDisplay
Third Party Advisory
helpx.adobe.com / security/products/flash-player/apsa15-04.html
Broken LinkVendor Advisory
helpx.adobe.com / security/products/flash-player/apsb15-18.html
Broken LinkVendor Advisory
perception-point.io / 2018/04/11/breaking-cfi-cve-2015-5122-coop
Broken LinkThird Party Advisory
perception-point.io / new/breaking-cfi.php
Broken LinkThird Party Advisory
security.gentoo.org / glsa/201508-01
Third Party Advisory
exploit-db.com / exploits/37599
ExploitThird Party AdvisoryVDB Entry
fireeye.com / blog/threat-research/2015/07/cve-2015-5122_-_seco.html
Broken LinkThird Party Advisory
kb.cert.org / vuls/id/338736
Third Party AdvisoryUS Government Resource
rapid7.com / db/modules/exploit/multi/browser/adobe_flash_opaque_background_uaf
Third Party Advisory
securityfocus.com / bid/75712
Broken LinkThird Party AdvisoryVDB Entry
securitytracker.com / id/1032890
Broken LinkThird Party AdvisoryVDB Entry
us-cert.gov / ncas/alerts/TA15-195A
Third Party AdvisoryUS Government Resource