Vulnerability Monitor

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CVE-2015-5123

Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations 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.

Security Impact Summary

This vulnerability carries a CRITICAL severity rating with a CVSS v3.1 score of 9.8, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 12 products from redhat, from redhat, from redhat and 9 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-07-14T10:59:01.337

Last Modified

2025-11-17T20:15:46.577

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Primary
CWE-416
Type: Secondary
CWE-416

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	redhat	enterprise_linux_desktop	5.0	Yes
Operating System	redhat	enterprise_linux_desktop	6.0	Yes
Operating System	redhat	enterprise_linux_server	5.0	Yes
Operating System	redhat	enterprise_linux_server	6.0	Yes
Operating System	redhat	enterprise_linux_server_eus	6.6	Yes
Operating System	redhat	enterprise_linux_workstation	5.0	Yes
Operating System	redhat	enterprise_linux_workstation	6.0	Yes
Operating System	opensuse	evergreen	11.4	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_desktop	11	Yes
Operating System	suse	linux_enterprise_desktop	12	Yes
Operating System	suse	linux_enterprise_workstation_extension	12	Yes
Application	adobe	flash_player	≤ 11.2.202.481	Yes
Operating System	linux	linux_kernel	-	No
Application	adobe	flash_player	≤ 13.0.0.302	Yes
Application	adobe	flash_player	≤ 18.0.0.203	Yes
Application	adobe	flash_player_desktop_runtime	≤ 18.0.0.203	Yes
Operating System	apple	macos	-	No
Operating System	microsoft	windows	-	No

References

http://blog.trendmicro.com/trendlabs-security-intelligence/new-zero-day-vulnerability-cve-2015-5123-in-adobe-flash-emerges-from-hacking-team-leak/ Broken Link, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.html Mailing List, Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.html Mailing List, Third Party Advisory ([email protected])
http://marc.info/?l=bugtraq&m=144050155601375&w=2 Mailing List, Third Party Advisory ([email protected])
http://rhn.redhat.com/errata/RHSA-2015-1235.html Third Party Advisory ([email protected])
http://www.kb.cert.org/vuls/id/918568 Third Party Advisory, US Government Resource ([email protected])
http://www.securityfocus.com/bid/75710 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1032890 Broken Link, Third Party Advisory, VDB Entry ([email protected])
http://www.us-cert.gov/ncas/alerts/TA15-195A Third Party Advisory, US Government Resource ([email protected])
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784 Broken Link, Third Party Advisory ([email protected])
https://helpx.adobe.com/security/products/flash-player/apsa15-04.html Broken Link, Vendor Advisory ([email protected])
https://helpx.adobe.com/security/products/flash-player/apsb15-18.html Broken Link, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201508-01 Third Party Advisory ([email protected])
http://blog.trendmicro.com/trendlabs-security-intelligence/new-zero-day-vulnerability-cve-2015-5123-in-adobe-flash-emerges-from-hacking-team-leak/ Broken Link, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00028.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00029.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00032.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=bugtraq&m=144050155601375&w=2 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://rhn.redhat.com/errata/RHSA-2015-1235.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kb.cert.org/vuls/id/918568 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/75710 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1032890 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.us-cert.gov/ncas/alerts/TA15-195A Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04796784 Broken Link, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://helpx.adobe.com/security/products/flash-player/apsa15-04.html Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://helpx.adobe.com/security/products/flash-player/apsb15-18.html Broken Link, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201508-01 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/cisagov/vulnrichment/issues/196 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-5123 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For redhat's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.