Skip to content

CVE-2015-5122

Adobe Flash Player Use-After-Free

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 94.0%
  1. Published14 Jul 2015
  2. Added to CISA KEV13 Apr 2022
  3. Remediation due4 May 2022
Actively exploited (CISA KEV)

Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player allows remote attackers to execute code or cause a denial-of-service (DoS).

Added to KEV: 13 Apr 2022Federal remediation due: 4 May 2022

Description

Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13.x through 13.0.0.302 on Windows and OS X, 14.x through 18.0.0.203 on Windows and OS X, 11.x through 11.2.202.481 on Linux, and 12.x through 18.0.0.204 on Linux Chrome installations allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted Flash content that leverages improper handling of the opaqueBackground property, as exploited in the wild in July 2015.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Adobe Flash Player≥ 11.0 ≤ 11.2.202.481 · ≥ 18.0 ≤ 18.0.0.203 · ≥ 18.0 ≤ 18.0.0.204 · ≥ 13.0 ≤ 13.0.0.302
Adobe Flash Player Desktop Runtime≥ 18.0 ≤ 18.0.0.203
Opensuse Evergreen11.4
Redhat Enterprise Linux Desktop5.0 · 6.0
Redhat Enterprise Linux Server5.0 · 6.0
Redhat Enterprise Linux Server Eus6.6
Redhat Enterprise Linux Workstation5.0 · 6.0
Suse Linux Enterprise Desktop11 · 12
Suse Linux Enterprise Workstation Extension12

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Frequently asked

Is CVE-2015-5122 being actively exploited?

Yes. CVE-2015-5122 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 13 Apr 2022.

How severe is CVE-2015-5122?

CVE-2015-5122 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 94.0% probability of exploitation.

Which products are affected by CVE-2015-5122?

Affected products include Adobe Flash Player, Adobe Flash Player Desktop Runtime, Opensuse Evergreen, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, and 4 more.

How do I fix CVE-2015-5122?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2015-5122 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.