Assessment
Why it matters
CISA lists this vulnerability as known to be exploited; exploitation is confirmed; EPSS is 99.3%; technical severity is CVSS 9.8.
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.
Who should care
- Teams operating Flash Player, Evergreen, Opensuse +8 more
- Vulnerability and exposure management teams
- Security operations teams monitoring exploitation activity
Response plan
What I would do
- Confirm whether Flash Player, Evergreen, Opensuse +8 more is present in the environment.
- Identify affected versions and establish whether vulnerable services are exposed or reachable.
- The impacted product is end-of-life and should be disconnected if still in use.
- Review relevant security telemetry for evidence of attempted or successful exploitation.
- Document the remediation decision and track it to verified completion.
Vendor remediation
Patch and remediation links
Use the vendor source below to confirm the correct fixed version, package or mitigation for your affected product.
Technical details
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-119
- Affected versions
- Adobe Flash Player (End Including: 11.2.202.468); Opensuse Evergreen (Version: 11.4); Opensuse Opensuse (Version: 13.2); Redhat Enterprise Linux Desktop (Version: 6.0); Redhat Enterprise Linux Eus (Version: 6.6); Redhat Enterprise Linux Server (Version: 6.0); Redhat Enterprise Linux Server Aus (Version: 6.6); Redhat Enterprise Linux Server From Rhui (Version: 6.0)
- Published
- 8 July 2015
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
Signal timeline
- CVE published
- Added to CISA KEV
- Latest EPSS score: 99.3%
- Signal calculated at 85
External references
- Technical reference from github.com
- Government advisory from www.cisa.gov
- Third-party advisory from lists.opensuse.org
- Third-party advisory from lists.opensuse.org
- Third-party advisory from lists.opensuse.org
- Third-party advisory from lists.opensuse.org
- Third-party advisory from rhn.redhat.com
- Government advisory from www.kb.cert.org
- Third-party advisory from www.rapid7.com
- Third-party advisory from www.securityfocus.com
- Third-party advisory from www.securitytracker.com
- Government advisory from www.us-cert.gov