CVE-2018-4933
Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read...
CVE-2018-4933 is a medium vulnerability (CVSS 6.5) in Adobe Flash Player, published May 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.06%, the 90th percentile. Fixed in flashplugin-nonfree 29.0.0.140ubuntu0.14.04.1.
- Severity
- 6.5 MediumCVSS 3.1, NVD
- Exploit chance
- 4.06%EPSS, 90th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
29.0.0.140ubuntu0.14.04.1flashplugin-nonfree +3 more
Description
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flash-pluginRed Hat:rhel_extras:6 From an advisory covering 6 CVEs | before 0:29.0.0.140-1.el6_9 | 0:29.0.0.140-1.el6_9 |
flashplugin-nonfreeUbuntu:14.04:LTS | before 29.0.0.140ubuntu0.14.04.1, plus listed versions 11.2.202.310ubuntu111.2.202.327ubuntu0.13.10.111.2.202.332ubuntu111.2.202.335ubuntu111.2.202.336ubuntu1 Show 45 moreShow less11.2.202.341ubuntu111.2.202.346ubuntu111.2.202.350ubuntu111.2.202.356ubuntu0.14.04.111.2.202.359ubuntu0.14.04.111.2.202.378ubuntu0.14.04.111.2.202.394ubuntu0.14.04.111.2.202.400ubuntu0.14.04.111.2.202.406ubuntu0.14.04.111.2.202.406ubuntu0.14.04.211.2.202.411ubuntu0.14.04.111.2.202.418ubuntu0.14.04.111.2.202.424ubuntu0.14.04.111.2.202.425ubuntu0.14.04.111.2.202.429ubuntu0.14.04.111.2.202.438ubuntu0.14.04.111.2.202.440ubuntu0.14.04.111.2.202.442ubuntu0.14.04.111.2.202.451ubuntu0.14.04.111.2.202.457ubuntu0.14.04.111.2.202.460ubuntu0.14.04.111.2.202.466ubuntu0.14.04.111.2.202.468ubuntu0.14.04.111.2.202.481ubuntu0.14.04.111.2.202.481ubuntu0.14.04.211.2.202.491ubuntu0.14.04.111.2.202.508ubuntu0.14.04.111.2.202.521ubuntu0.14.04.111.2.202.535ubuntu0.14.04.111.2.202.540ubuntu0.14.04.211.2.202.548ubuntu0.14.04.111.2.202.554ubuntu0.14.04.111.2.202.559ubuntu0.14.04.111.2.202.569ubuntu0.14.04.111.2.202.577ubuntu0.14.04.111.2.202.616ubuntu0.14.04.111.2.202.621ubuntu0.14.04.111.2.202.626ubuntu0.14.04.111.2.202.632ubuntu0.14.04.111.2.202.635ubuntu0.14.04.111.2.202.637ubuntu0.14.04.111.2.202.643ubuntu0.14.04.111.2.202.644ubuntu0.14.04.124.0.0.186ubuntu0.14.04.124.0.0.194ubuntu0.14.04.1 | 29.0.0.140ubuntu0.14.04.1 |
flashplugin-nonfreeUbuntu:16.04:LTS | before 29.0.0.140ubuntu0.16.04.1, plus listed versions 11.2.202.540ubuntu211.2.202.548ubuntu111.2.202.554ubuntu111.2.202.559ubuntu111.2.202.569ubuntu1 Show 28 moreShow less11.2.202.577ubuntu111.2.202.616ubuntu111.2.202.621ubuntu0.16.04.111.2.202.626ubuntu0.16.04.111.2.202.632ubuntu0.16.04.111.2.202.635ubuntu0.16.04.111.2.202.637ubuntu0.16.04.111.2.202.643ubuntu0.16.04.111.2.202.644ubuntu0.16.04.124.0.0.186ubuntu0.16.04.124.0.0.194ubuntu0.16.04.124.0.0.221ubuntu0.16.04.125.0.0.127ubuntu0.16.04.125.0.0.148ubuntu0.16.04.125.0.0.171ubuntu0.16.04.126.0.0.126ubuntu0.16.04.126.0.0.131ubuntu0.16.04.126.0.0.137ubuntu0.16.04.126.0.0.151ubuntu0.16.04.127.0.0.130ubuntu0.16.04.127.0.0.159ubuntu0.16.04.127.0.0.170ubuntu0.16.04.127.0.0.183ubuntu0.16.04.127.0.0.187ubuntu0.16.04.128.0.0.126ubuntu0.16.04.128.0.0.137ubuntu0.16.04.128.0.0.161ubuntu0.16.04.129.0.0.113ubuntu0.16.04.1 | 29.0.0.140ubuntu0.16.04.1 |
flashplugin-nonfreeUbuntu:18.04:LTS | before 29.0.0.140ubuntu1, plus listed versions 27.0.0.170ubuntu127.0.0.187ubuntu128.0.0.126ubuntu128.0.0.137ubuntu128.0.0.161ubuntu128.0.0.161ubuntu228.0.0.161ubuntu329.0.0.113ubuntu1 | 29.0.0.140ubuntu1 |
What each source reports
NVD Score used
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.
- Record
CVE-2018-4933- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2018-4933- Updated
- 2026-11-02
EUVDEUVD-2018-16718No score
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.
- Record
EUVD-2018-16718- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pfhj-qj49-rfqg
Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds read...
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.
- Record
GHSA-pfhj-qj49-rfqg- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVRHSA-2018:1119
Red Hat Security Advisory: flash-plugin security update
- Record
RHSA-2018:1119- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-4933
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.
- Record
UBUNTU-CVE-2018-4933- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
securityfocus.com/bid/103708
access.redhat.com/errata/RHSA-2018:1119
securitytracker.com/id/1040648
security.gentoo.org/glsa/201804-11
helpx.adobe.com/security/products/flash-player/apsb18-08.html
nvd.nist.gov/vuln/detail/CVE-2018-4933
Show 24 moreShow less
github.com/advisories/GHSA-pfhj-qj49-rfqg
bugzilla.redhat.com/show_bug.cgi?id=1565799
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_1119.json
cve.org/CVERecord?id=CVE-2018-4932
ubuntu.com/security/CVE-2018-4933
rhn.redhat.com/errata/RHSA-2018-1119.html
Left out here: 17 versions. The JSON record has them.