Skip to main content
Public proof of conceptFix available

CVE-2018-4937

A public proof of concept exists; no exploitation attested.

  • Published2018-05-19
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Timeline

dates in UTC
  1. 2018-04-24Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-04 03:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-4937?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-4937?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Adobe flash playerversion to verify
BranchAffectedFixed in
29.0≤ 29.0.0.113no fix published
Adobe flash player desktop runtimeversion to verify
BranchAffectedFixed in
29.0≤ 29.0.0.113no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • flash-pluginRed Hat:rhel_extras:6all versions · fixed in 0:29.0.0.140-1.el6_9
  • flashplugin-nonfreeUbuntu:18.04:LTSall versions · fixed in 29.0.0.140ubuntu1
  • flashplugin-nonfreeUbuntu:16.04:LTSall versions · fixed in 29.0.0.140ubuntu0.16.04.1
  • flashplugin-nonfreeUbuntu:14.04:LTSall versions · fixed in 29.0.0.140ubuntu0.14.04.1

Vendor advisories

  • CVE-2018-4937 Red Hat Product Security3 products fixed

    flash-plugin: Remote Code Execution vulnerabilities (APSB18-08)

  • RHSA-2018:1119 Red Hat Product Security3 products fixed

    Red Hat Security Advisory: flash-plugin security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHSA-2018:1119 · 3 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-44529
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • NVDCVSS 3.18.8read 2026-10-23
  • NVDCVSS 2.09.3read 2026-10-23
  • NVDweakness (CWE)CWE-787read 2026-10-23
  • FIRST EPSSEPSS score25.5 %read 2026-11-03
  • Exploit-DBdetectionread 2026-11-03
  • OSVaffected packages—

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2018-05-19
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2018-4937?

Adobe Flash Player versions 29.0.0.113 and earlier have an exploitable out-of-bounds write vulnerability. Successful exploitation could lead to arbitrary code execution in the context of the current user.

Is CVE-2018-4937 actively exploited?

Active exploitation of CVE-2018-4937 has not been confirmed. Its EPSS score was 25.5% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-4937?

CVE-2018-4937 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Running flash-plugin? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record