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Fencer Intel
high 8.8

CVE-2015-8643 json

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.…

published 10y ago modified 4mo ago also EUVD-2015-8520

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Use-after-free vulnerability in Adobe Flash Player before 18.0.0.324 and 19.x and 20.x before 20.0.0.267 on Windows and OS X and before 11.2.202.559 on Linux, Adobe AIR before 20.0.0.233, Adobe AIR SDK before 20.0.0.233, and Adobe AIR SDK & Compiler before 20.0.0.233 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-8634, CVE-2015-8635, CVE-2015-8638, CVE-2015-8639, CVE-2015-8640, CVE-2015-8641, CVE-2015-8642, CVE-2015-8646, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, and CVE-2015-8650.

Patch / fix

  • flashplugin-nonfree Ubuntu 14.04 LTS 11.2.202.559ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-8643

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 11.2.202.559-1.el5
  • flash-plugin RHEL 6 EXTRAS 11.2.202.559-1.el6_7

red hat advisories RHSA-2015:2697

  • flash-player SLED 11 SP4, SLED 11 SP3 11.2.202.559-0.32.1
  • flash-player SLED 12 SP1, SLED 12, SLE Workstation Extension 12 SP1 +1 more 11.2.202.559-117.1

suse advisories SUSE-SU-2015:2402-1SUSE-SU-2015:2401-1

Is CVE-2015-8643 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2015-8643 updated cvss 6.8

flash-plugin: multiple code execution issues fixed in APSB16-01

  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) flash-plugin 11.2.202.559-1.el5 Red Hat Enterprise Linux Desktop Supplementary (v. 6) flash-plugin 11.2.202.559-1.el6_7 Red Hat Enterprise Linux Server Supplementary (v. 5) flash-plugin 11.2.202.559-1.el5 Red Hat Enterprise Linux Server Supplementary (v. 6) flash-plugin 11.2.202.559-1.el6_7 Red Hat Enterprise Linux Workstation Supplementary (v. 6) flash-plugin 11.2.202.559-1.el6_7
    fixed: vendor fix RHSA-2015:2697

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

6.14% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/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

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.