high
8.1
CWE
119
Advisory Published
CVE Published
Updated

CVE-2018-5178: Buffer Overflow

First published: Wed May 09 2018(Updated: )

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur.

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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<52.8
52.8
Debian Debian Linux=7.0
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Mozilla Firefox ESR<52.8.0
Mozilla Thunderbird<52.8.0
Mozilla Thunderbird Esr<52.8.0
Canonical Ubuntu Linux=14.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=17.10
Canonical Ubuntu Linux=18.04
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=7.5
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
Mozilla Thunderbird<52.8
52.8
debian/firefox-esr
115.14.0esr-1~deb11u1
128.3.1esr-1~deb11u1
115.14.0esr-1~deb12u1
128.3.1esr-1~deb12u1
128.3.0esr-2
128.3.1esr-2
debian/thunderbird
1:115.12.0-1~deb11u1
1:115.16.0esr-1~deb11u1
1:115.12.0-1~deb12u1
1:115.16.0esr-1~deb12u1
1:128.2.0esr-1
1:128.3.0esr-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-2018-5178?

    The severity of CVE-2018-5178 is 8.1 (high).

  • Which software versions are affected by CVE-2018-5178?

    CVE-2018-5178 affects Thunderbird ESR < 52.8, Thunderbird < 52.8, Mozilla Firefox ESR < 52.8, Mozilla Thunderbird < 52.8, and Debian Debian Linux (versions 7.0, 8.0, and 9.0).

  • How can I fix CVE-2018-5178?

    To fix CVE-2018-5178, update your software to Thunderbird ESR 52.8 or later, Thunderbird 52.8 or later, Mozilla Firefox ESR 52.8 or later, or Mozilla Thunderbird 52.8 or later.

  • Are there any references for CVE-2018-5178?

    Yes, you can find references for CVE-2018-5178 at the following links: https://bugzilla.mozilla.org/show_bug.cgi?id=1443891, https://www.mozilla.org/en-US/security/advisories/mfsa2018-12/, http://www.securityfocus.com/bid/104138.

  • What is the Common Weakness Enumeration (CWE) for CVE-2018-5178?

    The Common Weakness Enumeration (CWE) for CVE-2018-5178 is 119.

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