CVE catalog

CVE-2018-5105

UBUNTU-CVE-2018-5105

[CVE catalog]

Severity
High · CVSS 7.8CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
0.41% · Oct 25, 2026

WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file. This can result in an executable file running with local user privileges without explicit user consent. This vulnerability affects Firefox < 58.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Ubuntufirefox14.0424.0+build1-0ubuntu1vulnerable
Ubuntufirefox14.0425.0+build3-0ubuntu0.13.10.1vulnerable
Ubuntufirefox14.0428.0~b2+build1-0ubuntu2vulnerable
Ubuntufirefox14.0428.0+build1-0ubuntu1vulnerable
Ubuntufirefox14.0428.0+build2-0ubuntu1vulnerable
Ubuntufirefox14.0428.0+build2-0ubuntu2vulnerable
Ubuntufirefox14.0429.0+build1-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0430.0+build1-0ubuntu0.14.04.3vulnerable
Ubuntufirefox14.0431.0+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0432.0+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0432.0.3+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0433.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0434.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0435.0+build3-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0435.0.1+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0436.0+build2-0ubuntu0.14.04.4vulnerable
Ubuntufirefox14.0436.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0436.0.4+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0437.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0437.0.1+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0437.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0438.0+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0439.0+build5-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0439.0.3+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0440.0+build4-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0440.0+build4-0ubuntu0.14.04.4vulnerable
Ubuntufirefox14.0440.0.3+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0441.0+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0441.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0441.0.2+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0442.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0443.0+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0443.0.4+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0444.0+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0444.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0444.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0445.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0445.0.1+build1-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0445.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0446.0+build5-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0446.0.1+build1-0ubuntu0.14.04.3vulnerable
Ubuntufirefox14.0447.0+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0448.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0449.0+build4-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0449.0.2+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0450.0+build2-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0450.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0450.1.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0451.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0451.0.1+build2-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0452.0+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0452.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0452.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0453.0+build6-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0453.0.2+build1-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0453.0.3+build1-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0454.0+build3-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0455.0.1+build2-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0455.0.2+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0456.0+build6-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0456.0+build6-0ubuntu0.14.04.2vulnerable
Ubuntufirefox14.0457.0+build4-0ubuntu0.14.04.4vulnerable
Ubuntufirefox14.0457.0+build4-0ubuntu0.14.04.5vulnerable
Ubuntufirefox14.0457.0.1+build2-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0457.0.3+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0457.0.4+build1-0ubuntu0.14.04.1vulnerable
Ubuntufirefox14.0458.0+build6-0ubuntu0.14.04.1fixed
Ubuntufirefox16.0441.0.2+build2-0ubuntu1vulnerable
Ubuntufirefox16.0442.0+build2-0ubuntu1vulnerable
Ubuntufirefox16.0444.0+build3-0ubuntu2vulnerable
Ubuntufirefox16.0444.0.1+build1-0ubuntu1vulnerable
Ubuntufirefox16.0444.0.2+build1-0ubuntu1vulnerable
Ubuntufirefox16.0445.0+build2-0ubuntu1vulnerable
Ubuntufirefox16.0445.0.1+build1-0ubuntu1vulnerable
Ubuntufirefox16.0445.0.2+build1-0ubuntu1vulnerable
Ubuntufirefox16.0446.0+build5-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0446.0.1+build1-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0447.0+build3-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0448.0+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0449.0+build4-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0449.0.2+build2-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0450.0+build2-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0450.0.2+build1-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0450.1.0+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0451.0.1+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0451.0.1+build2-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0452.0+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0452.0.1+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0452.0.2+build1-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0453.0+build6-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0453.0.2+build1-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0453.0.3+build1-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0454.0+build3-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0455.0.1+build2-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0455.0.2+build1-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0456.0+build6-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0456.0+build6-0ubuntu0.16.04.2vulnerable
Ubuntufirefox16.0457.0+build4-0ubuntu0.16.04.5vulnerable
Ubuntufirefox16.0457.0+build4-0ubuntu0.16.04.6vulnerable
Ubuntufirefox16.0457.0.1+build2-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0457.0.3+build1-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0457.0.4+build1-0ubuntu0.16.04.1vulnerable
Ubuntufirefox16.0458.0+build6-0ubuntu0.16.04.1fixed
Ubuntufirefox18.0456.0+build6-0ubuntu1vulnerable
Ubuntufirefox18.0457.0.1+build2-0ubuntu1vulnerable
Ubuntufirefox18.0459.0.1+build1-0ubuntu1fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Ubuntufirefoxdeb14.0458.0+build6-0ubuntu0.14.04.1Not reportedUBUNTU-CVE-2018-5105Not reported
Ubuntufirefoxdeb16.0458.0+build6-0ubuntu0.16.04.1Not reportedUBUNTU-CVE-2018-5105Not reported
Ubuntufirefoxdeb18.0459.0.1+build1-0ubuntu1Not reportedUBUNTU-CVE-2018-5105Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References