medium
5.9
Advisory Published
CVE Published
Updated

CVE-2018-18506

First published: Tue Jan 29 2019(Updated: )

Last updated 24 July 2024

Credit: security@mozilla.org

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<60.6
60.6
Mozilla Thunderbird<60.6
60.6
Mozilla Firefox<65
65
Mozilla Firefox<65.0
Ubuntu=14.04
Ubuntu=16.04
Ubuntu=18.04
Ubuntu=18.10
Debian=8.0
Debian=9.0
Red Hat Enterprise Linux=8.0
redhat enterprise Linux desktop=6.0
redhat enterprise Linux desktop=7.0
redhat enterprise Linux eus=8.1
redhat enterprise Linux eus=8.2
redhat enterprise Linux eus=8.4
redhat enterprise Linux eus=8.6
redhat enterprise Linux server=6.0
redhat enterprise Linux server=7.0
redhat enterprise Linux server aus=7.6
redhat enterprise Linux server aus=8.2
redhat enterprise Linux server aus=8.4
redhat enterprise Linux server aus=8.6
redhat enterprise Linux server eus=7.6
redhat enterprise Linux server tus=7.6
redhat enterprise Linux server tus=8.2
redhat enterprise Linux server tus=8.4
redhat enterprise Linux server tus=8.6
redhat enterprise Linux workstation=6.0
redhat enterprise Linux workstation=7.0
openSUSE=15.0
openSUSE=42.3
debian/firefox
135.0.1-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.7.0esr-1~deb11u1
128.5.0esr-1~deb12u1
128.7.0esr-1~deb12u1
128.7.0esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.7.0esr-1~deb11u1
1:128.5.0esr-1~deb12u1
1:128.7.0esr-1~deb12u1
1:128.6.0esr-1
1:128.7.0esr-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 the severity of CVE-2018-18506?

    CVE-2018-18506 has a moderate severity rating, as it affects the handling of Proxy Auto-Configuration (PAC) files.

  • How do I fix CVE-2018-18506?

    To fix CVE-2018-18506, update affected software, such as Firefox and Thunderbird, to versions higher than 60.6.

  • What software is affected by CVE-2018-18506?

    CVE-2018-18506 affects Mozilla Firefox ESR, Mozilla Thunderbird, and versions of Firefox up to 65.

  • What is the impact of CVE-2018-18506?

    CVE-2018-18506 allows a PAC file to route localhost requests through a configured proxy, potentially leading to privacy issues.

  • When was CVE-2018-18506 announced?

    CVE-2018-18506 was publicly announced in July 2024.

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