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Fencer Intel
high 8.8

CVE-2014-8439 kev in the critical feed json

Adobe Flash Player before 13.0.0.258 and 14.x and 15.x before 15.0.0.239 on Windows and OS X and before 11.2.202.424 on Linux, Adobe AIR be…

published 2014-11-25 11 y ago modified 2026-06-17 4 mo ago also EUVD-2014-8276

cvss
8.8
version 3.1, CNA
cisa kev
Exploited
added 2022-05-25
epss
20.4%
EPSS 20.4% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Adobe Flash Player before 13.0.0.258 and 14.x and 15.x before 15.0.0.239 on Windows and OS X and before 11.2.202.424 on Linux, Adobe AIR before 15.0.0.293, Adobe AIR SDK before 15.0.0.302, and Adobe AIR SDK & Compiler before 15.0.0.302 allow attackers to execute arbitrary code or cause a denial of service (invalid pointer dereference) via unspecified vectors.

Patch / fix

cisa required action The impacted product is end-of-life and should be disconnected if still in use.

  • adobe air_sdk_&_compiler 15.0.0.302
  • flashplugin-nonfree Ubuntu 14.04 LTS 11.2.202.424ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2014-8439

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 5 EXTRAS 11.2.202.424-1.el5
  • flash-plugin RHEL 6 EXTRAS 11.2.202.424-1.el6

red hat advisories RHSA-2014:1915

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-2014-8439 updated cvss 6.8

flash-plugin: hardening against a code execution flaw (APSB14-26)

  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 11.2.202.424-1.el5 Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 11.2.202.424-1.el6 Red Hat Enterprise Linux HPC Node Supplementary (v. 6) flash-plugin 11.2.202.424-1.el6 Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 11.2.202.424-1.el5 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 11.2.202.424-1.el6 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 11.2.202.424-1.el6
    fixed: vendor fix RHSA-2014:1915

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

Timeline

  1. 0-day patched (Project Zero)
  2. Published
  3. Added to CISA KEV
  4. CISA patch deadline
  5. CISA SSVC: exploitation active

Known exploited

Added
4 y ago
Patch by
2022-06-15 (4 y ago)
Ransomware
Not known
Required action
The impacted product is end-of-life and should be disconnected if still in use.
Vendor, product
Adobe, Flash Player
CISA name
Adobe Flash Player Dereferenced Pointer Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched
2014-10-14
Details
project zero tracker

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1189 Drive-by Compromise exploitation

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
20 mo ago

Exploit prediction

20.37% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CISA ADP 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA 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 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-416 Use After Free
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.