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Fencer Intel
critical 9.8

CVE-2017-3084 json

Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable use after free vulnerability in the advertising metadata functionali…

published 2017-06-20 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12225

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.7%
EPSS 8.7% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Adobe Flash Player versions 25.0.0.171 and earlier have an exploitable use after free vulnerability in the advertising metadata functionality. Successful exploitation could lead to arbitrary code execution.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 26.0.0.126ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 26.0.0.126ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-3084

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • flash-plugin RHEL 6 EXTRAS 26.0.0.126-1.el6_9

red hat advisories RHSA-2017:1439

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-3084 updated cvss 8.8

flash-plugin: multiple code execution issues fixed in APSB17-17

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 26.0.0.126-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 26.0.0.126-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 26.0.0.126-1.el6_9
    fixed: vendor fix RHSA-2017:1439

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.72% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

  • n/a Adobe Flash Player 25.0.0.171 and earlier.

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.