CVE-2018-4933: Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability

Q: How do I fix CVE-2018-4933?

flash player: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113. Exact commands for each OS are on this page.

Q: Is CVE-2018-4933 being exploited?

CVE-2018-4933 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-2018-4933 affect?

CVE-2018-4933 affects flash player, flash player, flash player. Severity is medium (CVSS 6.5). Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

Q: How urgent is CVE-2018-4933?

Priority 45/100. EPSS top 9%: very likely to be exploited

This month

MEDIUM 6.5UPGRADEUPGRADEUPGRADE

CVE-2018-4933 is a medium-severity flaw (CVSS 6.5) affecting flash player, flash player, flash player. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

Why this priority

EPSS top 9%: very likely to be exploited

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Weakness	CWE-125
Published	2018-05-19
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2018-05-19 17:29 UTCPublished CVE record published
2026-06-17 01:59 UTCUpdated Record last modified

adobe flash player UPGRADE

Affected: <= 29.0.0.113

Fixed in: newer than 29.0.0.113

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 29.0.0.113 (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 flash player UPGRADE

Affected: <= 29.0.0.113

Fixed in: newer than 29.0.0.113

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 29.0.0.113 (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 flash player UPGRADE

Affected: <= 29.0.0.113

Fixed in: newer than 29.0.0.113

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 29.0.0.113 (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 flash player desktop runtime UPGRADE

Affected: <= 29.0.0.113

Fixed in: newer than 29.0.0.113

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 29.0.0.113 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flash-player-desktop-runtime

Note

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

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-2018-4933?

flash player: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113; flash player: upgrade to newer than 29.0.0.113. Exact commands for each OS are on this page.

Is CVE-2018-4933 being exploited?

CVE-2018-4933 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-2018-4933 affect?

CVE-2018-4933 affects flash player, flash player, flash player. Severity is medium (CVSS 6.5). Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.

How urgent is CVE-2018-4933?

Priority 45/100. EPSS top 9%: very likely to be exploited

Software pages

Adobe Flash vulnerabilities

Related CVEs

CVE-2018-15982 HIGH 7.8 EXPLOITED UPGRADE UPGRADE Adobe Flash Player Use-After-Free Vulnerability
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
CVE-2020-9633 CRITICAL 9.8 UPGRADE UPGRADE Adobe Flash Player Desktop Runtime 32.0.0.371 and earlier, Adobe Flash Player for Google Chrome 32.0.0.371 and
CVE-2020-3757 HIGH 8.8 UPGRADE UPGRADE Adobe Flash Player versions 32.0.0.321 and earlier, 32.0.0.314 and earlier, 32.0.0.321 and earlier, and 32.0.0
CVE-2019-8075 HIGH 7.5 UPGRADE UPGRADE Adobe Flash Player version 32.0.0.192 and earlier versions have a Same Origin Policy Bypass vulnerability

References

← Back to latest CVEs