medium
6.5
CWE
346
Advisory Published
Updated

CVE-2018-18494

First published: Tue Dec 11 2018(Updated: )

A same-origin policy violation allowing the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries(). This is a same-origin policy violation and could allow for data theft. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Credit: security@mozilla.org security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Thunderbird<60.4
60.4
Mozilla Firefox ESR<60.4
60.4
Mozilla Firefox<64
64
Mozilla Firefox<64.0
Mozilla Firefox ESR<60.4.0
Mozilla Thunderbird<60.4.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Redhat Enterprise Linux Desktop=6.0
Redhat Enterprise Linux Desktop=7.0
Redhat Enterprise Linux Server=6.0
Redhat Enterprise Linux Server=7.0
Redhat Enterprise Linux Server Aus=7.6
Redhat Enterprise Linux Server Eus=7.6
Redhat Enterprise Linux Server Tus=7.6
Redhat Enterprise Linux Workstation=6.0
Redhat Enterprise Linux Workstation=7.0
ubuntu/firefox<64.0+
64.0+
ubuntu/firefox<64.0+
64.0+
ubuntu/firefox<64.0+
64.0+
ubuntu/firefox<64.0
64.0
ubuntu/firefox<64.0+
64.0+
ubuntu/thunderbird<1:60.4.0+
1:60.4.0+
ubuntu/thunderbird<1:60.4.0+
1:60.4.0+
ubuntu/thunderbird<1:60.4.0+
1:60.4.0+
ubuntu/thunderbird<60.4
60.4
ubuntu/thunderbird<1:60.4.0+
1:60.4.0+
debian/firefox
125.0.3-1
debian/firefox-esr
91.12.0esr-1~deb10u1
115.10.0esr-1~deb10u1
115.7.0esr-1~deb11u1
115.10.0esr-1~deb11u1
115.7.0esr-1~deb12u1
115.10.0esr-1~deb12u1
115.10.0esr-1
debian/thunderbird
1:91.12.0-1~deb10u1
1:115.10.1-1~deb10u1
1:115.7.0-1~deb11u1
1:115.10.1-1~deb11u1
1:115.7.0-1~deb12u1
1:115.10.1-1~deb12u1
1:115.10.1-1

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2018-18494?

    CVE-2018-18494 is a vulnerability that allows the theft of cross-origin URL entries when using the Javascript location property to cause a redirection to another site using performance.getEntries().

  • Which software is affected by CVE-2018-18494?

    Mozilla Firefox (up to version 64), Mozilla Firefox ESR (up to version 60.4), and Mozilla Thunderbird (up to version 60.4) are affected by CVE-2018-18494.

  • What is the severity of CVE-2018-18494?

    CVE-2018-18494 has a severity rating of 6.5 (High).

  • How can I fix CVE-2018-18494?

    Update Mozilla Firefox to version 64 or later, Mozilla Firefox ESR to version 60.4.1 or later, and Mozilla Thunderbird to version 60.4.1 or later to fix CVE-2018-18494.

  • Where can I find more information about CVE-2018-18494?

    You can find more information about CVE-2018-18494 on the Mozilla Bugzilla and Mozilla security advisories websites.

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