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Fencer Vulns
critical 9.8

CVE-2018-12828 json

Adobe Flash Player 30.0.0.134 and earlier have a "use of a component with a known vulnerability" vulnerability.

published 2018-08-29 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-4781

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.0%
EPSS 7.0% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Adobe Flash Player 30.0.0.134 and earlier have a "use of a component with a known vulnerability" vulnerability. Successful exploitation could lead to privilege escalation.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 30.0.0.154ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 30.0.0.154ubuntu0.16.04.1
  • flashplugin-nonfree Ubuntu 18.04 LTS 30.0.0.154ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-12828

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 30.0.0.154-1.el6_10

red hat advisories RHSA-2018:2435

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-2018-12828 updated cvss 8.8

flash-plugin: Privilege Escalation vulnerability (APSB18-25)

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 30.0.0.154-1.el6_10 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 30.0.0.154-1.el6_10 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 30.0.0.154-1.el6_10
    fixed: vendor fix RHSA-2018:2435

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

7.05% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

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

Affected products

  • n/a Adobe Flash Player 30.0.0.134 and earlier

References

Sources

Fencer Vulns 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.