CVE-2018-12826
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful...
CVE-2018-12826 is a high vulnerability (CVSS 7.5) in Adobe Flash Player, published August 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.31%, the 94th percentile. Fixed in flashplugin-nonfree 30.0.0.154ubuntu0.16.04.1.
- Severity
- 7.5 HighCVSS 3.0, NVD
- Exploit chance
- 7.31%EPSS, 94th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
30.0.0.154ubuntu0.16.04.1flashplugin-nonfree +3 more
Description
Adobe Flash Player 30.0.0.134 and earlier have an 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
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
flash-player-pluginMageia:6 From an advisory covering 5 CVEs | before 30.0.0.154-1.mga6.nonfree | 30.0.0.154-1.mga6.nonfree |
flash-pluginRed Hat:rhel_extras:6 From an advisory covering 5 CVEs | before 0:30.0.0.154-1.el6_10 | 0:30.0.0.154-1.el6_10 |
flashplugin-nonfreeUbuntu:16.04:LTS | before 30.0.0.154ubuntu0.16.04.1, plus listed versions 11.2.202.540ubuntu211.2.202.548ubuntu111.2.202.554ubuntu111.2.202.559ubuntu111.2.202.569ubuntu1 Show 32 moreShow less11.2.202.577ubuntu111.2.202.616ubuntu111.2.202.621ubuntu0.16.04.111.2.202.626ubuntu0.16.04.111.2.202.632ubuntu0.16.04.111.2.202.635ubuntu0.16.04.111.2.202.637ubuntu0.16.04.111.2.202.643ubuntu0.16.04.111.2.202.644ubuntu0.16.04.124.0.0.186ubuntu0.16.04.124.0.0.194ubuntu0.16.04.124.0.0.221ubuntu0.16.04.125.0.0.127ubuntu0.16.04.125.0.0.148ubuntu0.16.04.125.0.0.171ubuntu0.16.04.126.0.0.126ubuntu0.16.04.126.0.0.131ubuntu0.16.04.126.0.0.137ubuntu0.16.04.126.0.0.151ubuntu0.16.04.127.0.0.130ubuntu0.16.04.127.0.0.159ubuntu0.16.04.127.0.0.170ubuntu0.16.04.127.0.0.183ubuntu0.16.04.127.0.0.187ubuntu0.16.04.128.0.0.126ubuntu0.16.04.128.0.0.137ubuntu0.16.04.128.0.0.161ubuntu0.16.04.129.0.0.113ubuntu0.16.04.129.0.0.140ubuntu0.16.04.129.0.0.171ubuntu0.16.04.130.0.0.113ubuntu0.16.04.130.0.0.134ubuntu0.16.04.1 | 30.0.0.154ubuntu0.16.04.1 |
flashplugin-nonfreeUbuntu:18.04:LTS | before 30.0.0.154ubuntu0.18.04.1, plus listed versions 27.0.0.170ubuntu127.0.0.187ubuntu128.0.0.126ubuntu128.0.0.137ubuntu128.0.0.161ubuntu1 Show 7 moreShow less28.0.0.161ubuntu228.0.0.161ubuntu329.0.0.113ubuntu129.0.0.140ubuntu129.0.0.171ubuntu130.0.0.113ubuntu0.18.04.130.0.0.134ubuntu0.18.04.1 | 30.0.0.154ubuntu0.18.04.1 |
What each source reports
NVD Score used
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
CVE-2018-12826- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE ListNo score
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
CVE-2018-12826- Updated
- 2026-11-02
EUVDEUVD-2018-4779No score
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
EUVD-2018-4779- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vph8-g3v4-rq6w
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful...
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
GHSA-vph8-g3v4-rq6w- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVRHSA-2018:2435
Red Hat Security Advisory: flash-plugin security update
- Record
RHSA-2018:2435- 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-2018-12826
Adobe Flash Player 30.0.0.134 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
UBUNTU-CVE-2018-12826- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVMGASA-2018-0349No score
Updated flash-player-plugin packages fix security vulnerabilities
Updated flash-player-plugin packages fix security vulnerabilities:
- Out-of-bounds read that can lead to Information Disclosure (CVE-2018-12824, CVE-2018-12826, CVE-2018-12827)
- Security bypass that can lead to Security Mitigation Bypass (CVE-2018-12825)
- Use of a component with a known vulnerability can lead to a Privilege Escalation (CVE-2018-12828)
- Record
MGASA-2018-0349- 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/105066
access.redhat.com/errata/RHSA-2018:2435
securitytracker.com/id/1041448
helpx.adobe.com/security/products/flash-player/apsb18-25.html
nvd.nist.gov/vuln/detail/CVE-2018-12826
github.com/advisories/GHSA-vph8-g3v4-rq6w
Show 23 moreShow less
advisories.mageia.org/MGASA-2018-0349.html
bugs.mageia.org/show_bug.cgi?id=23464
bugzilla.redhat.com/show_bug.cgi?id=1616026
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_2435.json
cve.org/CVERecord?id=CVE-2018-12824
ubuntu.com/security/CVE-2018-12826
rhn.redhat.com/errata/RHSA-2018-2435.html