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CVE-2018-15978

28
FAUCET Score

CVE-2018-15978 is an out-of-bounds read vulnerability affecting Adobe Flash Player versions 31.0.0.122 and earlier, impacting various platforms including Adobe, Apple, Google, Linux, Microsoft, and Red Hat. This vulnerability carries a high CVSS score of 7.5, indicating a network-exploitable flaw with low attack complexity that could lead to significant information disclosure. Despite its severity, there is no evidence of active exploitation (KEV) or publicly available exploit code in Metasploit, Nuclei, or ExploitDB. However, the vulnerability has garnered some community discussion and media coverage, suggesting awareness within the security community.

Impacted Technologies

VendorProductVersion(s)CPE
<= 31.0.0.122CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player_desktop_runtime:*:*:*:*:*:*:*:*
<= 31.0.0.122CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:chrome:*:*
<= 31.0.0.122CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:edge:*:*
<= 31.0.0.122CPE matchmatch criteria
cpe:2.3:a:adobe:flash_player:*:*:*:*:*:internet_explorer_11:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
7.43%
Probability of exploitation in next 30 days
EPSS Percentile
93.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0743 is in the 90th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

adobepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: flash-plugin-0:31.0.0.148-1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-15978Important

flash-plugin: Information Disclosure vulnerability (APSB18-39)

Nov 13, 2018

References

access.redhat.com / errata/RHSA-2018:3618
Third Party Advisory
helpx.adobe.com / security/products/flash-player/apsb18-39.html
PatchVendor Advisory
securityfocus.com / bid/105909
Third Party AdvisoryVDB Entry
securitytracker.com / id/1042098
Third Party AdvisoryVDB Entry