7.5
CWE
190 787
Advisory Published
CVE Published
Updated

CVE-2018-12393: Integer Overflow

First published: Tue Oct 23 2018(Updated: )

A potential vulnerability was found in 32-bit builds where an integer overflow during the conversion of scripts to an internal UTF-16 representation could result in allocating a buffer too small for the conversion. This leads to a possible out-of-bounds write. *Note: 64-bit builds are not vulnerable to this issue.* External Reference: <a href="https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12393">https://www.mozilla.org/en-US/security/advisories/mfsa2018-27/#CVE-2018-12393</a>

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

Affected SoftwareAffected VersionHow to fix
Mozilla Firefox ESR<60.3
60.3
Mozilla Thunderbird<60.3
60.3
Mozilla Firefox<63
63
Mozilla Firefox<63.0
Mozilla Firefox ESR<60.3
Mozilla Thunderbird<60.3
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
debian/firefox
133.0.3-1
debian/firefox-esr
115.14.0esr-1~deb11u1
128.5.0esr-1~deb11u1
128.3.1esr-1~deb12u1
128.5.0esr-1~deb12u1
128.5.0esr-1
128.5.1esr-1
debian/thunderbird
1:115.12.0-1~deb11u1
1:128.5.0esr-1~deb11u1
1:115.16.0esr-1~deb12u1
1:128.5.0esr-1~deb12u1
1:128.5.2esr-1

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