CVE-2018-15978
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful...
CVE-2018-15978 is a high vulnerability (CVSS 7.5) in Adobe Flash Player, published November 15, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.43%, the 94th percentile. Fixed in flash-player-plugin 31.0.0.148-1.mga6.nonfree.
- Severity
- 7.5 HighCVSS 3.0, NVD
- Exploit chance
- 7.43%EPSS, 94th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
31.0.0.148-1.mga6.nonfreeflash-player-plugin +1 more
Description
Flash Player versions 31.0.0.122 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 | before 31.0.0.148-1.mga6.nonfree | 31.0.0.148-1.mga6.nonfree |
flash-pluginRed Hat:rhel_extras:6 | before 0:31.0.0.148-1.el6_10 | 0:31.0.0.148-1.el6_10 |
What each source reports
NVD Score used
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
CVE-2018-15978- 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
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
CVE-2018-15978- Updated
- 2026-11-02
EUVDEUVD-2018-7834No score
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
EUVD-2018-7834- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q34p-wrjp-g6wh
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful...
Flash Player versions 31.0.0.122 and earlier have an out-of-bounds read vulnerability. Successful exploitation could lead to information disclosure.
- Record
GHSA-q34p-wrjp-g6wh- 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-2018:3618
Red Hat Security Advisory: flash-plugin security update
- Record
RHSA-2018:3618- CVSS 3.0
- 6.5 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
OSVMGASA-2018-0453No score
Updated flash-player-plugin packages fix security vulnerability
An important vulnerability in Adobe Flash Player 31.0.0.122 and earlier versions. Successful exploitation could lead to information disclosure. (CVE-2018-15978)
- Record
MGASA-2018-0453- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
securitytracker.com/id/1042098
securityfocus.com/bid/105909
access.redhat.com/errata/RHSA-2018:3618
helpx.adobe.com/security/products/flash-player/apsb18-39.html
nvd.nist.gov/vuln/detail/CVE-2018-15978
github.com/advisories/GHSA-q34p-wrjp-g6wh
Show 7 moreShow less
advisories.mageia.org/MGASA-2018-0453.html
bugs.mageia.org/show_bug.cgi?id=23841
bugzilla.redhat.com/show_bug.cgi?id=1649537
security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3618.json
cve.org/CVERecord?id=CVE-2018-15978