CVE-2015-5133: Buffer overflow in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux,

Q: How do I fix CVE-2015-5133?

flash player: upgrade to newer than 18.0.0.209; air: upgrade to newer than 18.0.0.180; air sdk: upgrade to newer than 18.0.0.180. Exact commands for each OS are on this page.

Q: Is CVE-2015-5133 being exploited?

CVE-2015-5133 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2015-5133 affect?

CVE-2015-5133 affects flash player, air, air sdk. Severity is high (CVSS 10.0). Buffer overflow in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux, Adobe AIR before 18.0.0.199, Adobe AIR SDK before 18.0.0.199, and Adobe AIR SDK & Compiler before 18.0.0.199 allows attackers to e

Q: How urgent is CVE-2015-5133?

Priority 70/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; On your watchlist

This week

HIGH 10.0WATCHLISTUPGRADEUPGRADEUPGRADE

CVE-2015-5133 is a high-severity flaw (CVSS 10.0) affecting flash player, air, air sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux, Adobe AIR before 18.0.0.199, Adobe AIR SDK before 18.0.0.199, and Adobe AIR SDK & Compiler before 18.0.0.199 allows attackers to execute arbitrary code via unspecified vectors, a different vulnerability than CVE-2015-5131 and CVE-2015-5132.

Why this priority

Critical severity
EPSS top 1%: very likely to be exploited
Public exploit reference
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	50.7% (top 1%)
CISA exploited list	No
Weakness	CWE-119
Published	2015-08-14
Last modified	2026-06-17

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe · opensuse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2015-08-14 01:59 UTCPublished CVE record published
2026-06-17 00:28 UTCUpdated Record last modified

adobe flash player UPGRADE

Affected: <= 11.2.202.491 · <= 18.0.0.209

Fixed in: newer than 18.0.0.209

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flash-player || rpm -q flash-player || flash-player --version

2. UPGRADE to newer than 18.0.0.209 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flash-player

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flash-player

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

adobe air UPGRADE

Affected: <= 18.0.0.180

Fixed in: newer than 18.0.0.180

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy air || rpm -q air || air --version

2. UPGRADE to newer than 18.0.0.180 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade air

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade air

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

adobe air sdk UPGRADE

Affected: <= 18.0.0.180

Fixed in: newer than 18.0.0.180

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy air-sdk || rpm -q air-sdk || air-sdk --version

2. UPGRADE to newer than 18.0.0.180 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade air-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade air-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

adobe air sdk \& compiler UPGRADE

Affected: <= 18.0.0.180

Fixed in: newer than 18.0.0.180

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy air-sdk--compiler || rpm -q air-sdk--compiler || air-sdk--compiler --version

2. UPGRADE to newer than 18.0.0.180 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade air-sdk--compiler

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade air-sdk--compiler

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

opensuse evergreen MITIGATE

Affected: 11.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.4

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · rust-tokio · FIXED · 1.54.1-1.fc46 · FEDORA-2026-e7fd815169 · source

sudo dnf upgrade --advisory=FEDORA-2026-e7fd815169

Fedora ELN · libopenraw · FIXED · 0.3.7-2.eln159 · FEDORA-2026-3fa115dd38 · source

sudo dnf upgrade --advisory=FEDORA-2026-3fa115dd38

RHEL 5 Supplementary · flash-plugin · FIXED · flash-plugin-11.2.202.508-1.el5

sudo dnf upgrade --advisory=RHSA-2015:1603 rpm -q flash-plugin

RHEL 6 Supplementary · flash-plugin · FIXED · flash-plugin-11.2.202.508-1.el6_7

sudo dnf upgrade --advisory=RHSA-2015:1603 rpm -q flash-plugin

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388
Write-up: h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680
Write-up: h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
Exploit-DB: Adobe Flash - Out-of-Bounds Memory Read While Parsing a Mutated '.TTF' File Embedded in SWF

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2015-5133?

flash player: upgrade to newer than 18.0.0.209; air: upgrade to newer than 18.0.0.180; air sdk: upgrade to newer than 18.0.0.180. Exact commands for each OS are on this page.

Is CVE-2015-5133 being exploited?

CVE-2015-5133 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2015-5133 affect?

CVE-2015-5133 affects flash player, air, air sdk. Severity is high (CVSS 10.0). Buffer overflow in Adobe Flash Player before 18.0.0.232 on Windows and OS X and before 11.2.202.508 on Linux, Adobe AIR before 18.0.0.199, Adobe AIR SDK before 18.0.0.199, and Adobe AIR SDK & Compiler before 18.0.0.199 allows attackers to e

How urgent is CVE-2015-5133?

Priority 70/100. Critical severity; EPSS top 1%: very likely to be exploited; Public exploit reference; On your watchlist

Software pages

Windows vulnerabilities · Adobe Flash vulnerabilities

Related CVEs

CVE-2018-15982 HIGH 7.8 EXPLOITED UPGRADE UPGRADE Adobe Flash Player Use-After-Free Vulnerability
CVE-2016-1019 CRITICAL 9.8 EXPLOITED UPGRADE UPGRADE Adobe Flash Player Arbitrary Code Execution Vulnerability
CVE-2016-4117 CRITICAL 9.8 EXPLOITED UPGRADE MITIGATE Adobe Flash Player Arbitrary Code Execution Vulnerability
CVE-2011-0627 HIGH 8.8 UPGRADE Adobe Flash Player before 10.3.181.14 on Windows, Mac OS X, Linux, and Solaris and before 10.3.185.21 on Andro
CVE-2020-9746 HIGH 7.0 UPGRADE UPGRADE Adobe Flash Player version 32.0.0.433 (and earlier) are affected by an exploitable NULL pointer dereference vu

References

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