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Fencer Vulns
medium 6.5

CVE-2017-3100 json

Adobe Flash Player versions 26.0.0.131 and earlier have an exploitable memory corruption vulnerability in the Action Script 2 BitmapData cl…

published 2017-07-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12241

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.7%
EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Adobe Flash Player versions 26.0.0.131 and earlier have an exploitable memory corruption vulnerability in the Action Script 2 BitmapData class. Successful exploitation could lead to memory address disclosure.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 26.0.0.137ubuntu0.14.04.1
  • flashplugin-nonfree Ubuntu 16.04 LTS 26.0.0.137ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-3100

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 26.0.0.137-1.el6_9

red hat advisories RHSA-2017:1731

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-2017-3100 updated cvss 6.5

flash-plugin: information disclosure issues fixed in APSB17-21

  • Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 26.0.0.137-1.el6_9 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 26.0.0.137-1.el6_9 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 26.0.0.137-1.el6_9
    fixed: vendor fix RHSA-2017:1731

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

3.75% 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:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected products

  • n/a Adobe Flash Player 26.0.0.131 and earlier.

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.