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CVE-2018-4877
CRITICAL
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player's quality of service functionality. A successful attack can lead to arbitrary code execution.
Published: Feb 6, 2018
Modified: Jun 17, 2026
CWE-416
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (7)
| Vendor | Product | Version |
|---|---|---|
| adobe | flash_player | * < 28.0.0.161 |
| redhat | enterprise_linux_desktop | 6.0 |
| redhat | enterprise_linux_server | 6.0 |
| redhat | enterprise_linux_workstation | 6.0 |
| adobe | flash_player | * < 28.0.0.161 |
| adobe | flash_player | * < 28.0.0.161 |
| adobe | flash_player | * < 28.0.0.161 |
GitHub Security Advisory GHSA-hcf8-mxwr-h337
A use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This...
References (6)
- http://www.securityfocus.com/bid/102930 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0285 Third Party Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html Vendor Advisory
- http://www.securityfocus.com/bid/102930 Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0285 Third Party Advisory
- https://helpx.adobe.com/security/products/flash-player/apsb18-03.html Vendor Advisory
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
8.35%
Top 6% most likely to be exploited
Threat Score
41.7 / 100
Data Sources
NVD
EPSS
GitHub