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Fencer Intel
high 8.8

CVE-2017-3099 json

Adobe Flash Player versions 26.0.0.131 and earlier have an exploitable memory corruption vulnerability in the Action Script 3 raster data m…

published 2017-07-14 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-12240

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.6%
EPSS 9.6% chance of exploitation in 30 days, percentile 95%
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 3 raster data model. Successful exploitation could lead to arbitrary code execution.

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-2017-3099

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-2017-3099 updated cvss 8.8

flash-plugin: code execution issue 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

9.65% 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 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Affected products

  • n/a Adobe Flash Player 26.0.0.131 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.