CVE-2018-12393

Mozilla: Integer overflow during Unicode conversion while loading JavaScript

Published Feb 28, 2019 CVSS 3.0 · 7.5 High EPSS 3.9% KEV · Not listed
Description
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.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-1571-1 firefox-esr security update
Debian DLA Debian DLA DLA-1575-1 thunderbird security update
Debian DSA Debian DSA DSA-4324-1 firefox-esr security update
Debian DSA Debian DSA DSA-4337-1 thunderbird security update
EUVD EUVD EUVD-2018-4367 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.*. This vulnerability affects Firefox < 63, Firefox ESR < 60.3, and Thunderbird < 60.3.
Ubuntu USN Ubuntu USN USN-3801-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3868-1 Thunderbird vulnerabilities
History

No history.