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Fencer Vulns
medium 6.5

CVE-2017-11305 json

A regression affecting Adobe Flash Player version 27.0.0.187 (and earlier versions) causes the unintended reset of the global settings pref…

published 2017-12-13 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-2939

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

A regression affecting Adobe Flash Player version 27.0.0.187 (and earlier versions) causes the unintended reset of the global settings preference file when a user clears browser data.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 28.0.0.126ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 28.0.0.126ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-11305

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 28.0.0.137-1.el6_9

red hat advisories RHSA-2018:0081

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-2017-11305 updated cvss 4.3

flash-plugin: unintended reset of global settings preference file vulnerability (APSB17-42)

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 28.0.0.137-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 28.0.0.137-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 28.0.0.137-1.el6_9
    fixed: vendor fix RHSA-2018:0081

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

3.64% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected products

  • n/a Adobe Flash Player 27.0.0.187 and earlier versions

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.