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Fencer Vulns
high 7.8

CVE-2018-15983 json

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have an insecure library loading (dll hijacking) vulnerability.

published 2019-01-18 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7839

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.3%
EPSS 3.3% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Flash Player versions 31.0.0.153 and earlier, and 31.0.0.108 and earlier have an insecure library loading (dll hijacking) vulnerability. Successful exploitation could lead to privilege escalation.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 32.0.0.101ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 32.0.0.101ubuntu0.16.04.1
  • flashplugin-nonfree Ubuntu 18.04 LTS 32.0.0.101ubuntu0.18.04.1

ubuntu advisories UBUNTU-CVE-2018-15983

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

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-2018-15983 updated cvss 7.8

flash-plugin: Privilege Escalation vulnerability (APSB18-42)

  • Red Hat Enterprise Linux 6 flash-plugin
    not affected: vulnerable code not present

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

3.28% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

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.