ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2018-4878

Adobe Flash Player Use-After-Free Vulnerability

Published Feb 3, 2018 · catalog updated Jun 16, 2026 · Adobe Flash Player

Patch now

CVE-2018-4878 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
89.53%
Remediation
Remediation guidance
Affected products
cpe adobe/flash player · cpe redhat/enterprise linux desktop · cpe redhat/enterprise linux server · cpe redhat/enterprise linux workstation · vendor Adobe Flash Player

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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe adobe/flash playerversion unspecified
  • cpe redhat/enterprise linux desktop6.0
  • cpe redhat/enterprise linux server6.0
  • cpe redhat/enterprise linux workstation6.0
  • vendor Adobe Flash Playerversion unspecified

How to fix CVE-2018-4878

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2018-4878 is in the CISA known-exploited catalog, due May 3, 2022. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux desktop 6.0; redhat/enterprise linux server 6.0; redhat/enterprise linux workstation 6.0. The impacted product is end-of-life and should be disconnected if still in use.

What should an analyst verify?

CWE-416: Use After Free. EPSS 89.53%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 6, 2018 · Catalog

    Detected

    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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

  2. Nov 3, 2021 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. May 3, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.

Sources

  • CISA KEVConfirmed exploitationCVE-2018-4878

    Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2018-4878

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2018-4878

    30-day exploitation probability 89.5%

    first.org
  • Exploit DatabasePublic exploit reference44412

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference44744

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference44745

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • NIST NVDVulnerability recordCVE-2018-4878

    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 handling of listener objects. A successful attack can lead to arbitrary code execution. This was

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2018-4878

    Adobe Flash Player contains a use-after-free vulnerability that could allow for code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.