DEBIAN-CVE-2018-12395

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Source
https://security-tracker.debian.org/tracker/CVE-2018-12395
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-12395.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2018-12395
Upstream
Published
2019-02-28T18:29:00Z
Modified
2025-09-30T03:54:33Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
[none]
Details

By rewriting the Host: request headers using the webRequest API, a WebExtension can bypass domain restrictions through domain fronting. This would allow access to domains that share a host that are otherwise restricted. This vulnerability affects Firefox ESR < 60.3 and Firefox < 63.

References

Affected packages

Debian:11 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
60.3.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
60.3.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
60.3.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / firefox-esr

Package

Name
firefox-esr
Purl
pkg:deb/debian/firefox-esr?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
60.3.0esr-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}