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No exploitation reportedFix available

CVE-2018-12016

No exploitation reported by the sources we read.

  • Published2018-06-07

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

libephymain.so in GNOME Web (aka Epiphany) through 3.28.2.1 allows remote attackers to cause a denial of service (application crash) via certain window.open and document.write calls.

Timeline

dates in UTC
  1. 2018-06-0714:29CVE publishedNVD

Versions per branch

NVD
Gnome epiphany
BranchAffectedFixed in
3.28≤ 3.28.2.1no 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

  • epiphany-browserUbuntu:18.04:LTSall versions · no fixed version listed
  • epiphany-browserUbuntu:16.04:LTSall versions · no fixed version listed
  • epiphany-browserDebian:14all versions · fixed in 3.28.3.1-1
  • epiphany-browserDebian:13all versions · fixed in 3.28.3.1-1
  • epiphany-browserDebian:12all versions · fixed in 3.28.3.1-1

Vendor advisories

  • CVE-2018-12016 Red Hat Product Security

    epiphany: Denial of service via window.open and document.write calls

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-06-07
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-5fwp-wgrw-hj8x

Frequently asked questions

What is CVE-2018-12016?

libephymain.so in GNOME Web (aka Epiphany) through 3.28.2.1 allows remote attackers to cause a denial of service (application crash) via certain window.open and document.write calls.

Is CVE-2018-12016 actively exploited?

Active exploitation of CVE-2018-12016 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-12016?

CVE-2018-12016 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record