7.5
CVSSv3

CVE-2018-12393

Published: 28/02/2019 Updated: 24/08/2020
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

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.

Vulnerability Trend

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mozilla thunderbird

mozilla firefox esr

mozilla firefox

debian debian linux 8.0

debian debian linux 9.0

canonical ubuntu linux 14.04

canonical ubuntu linux 18.04

canonical ubuntu linux 16.04

canonical ubuntu linux 18.10

redhat enterprise linux server aus 7.6

redhat enterprise linux server tus 7.6

redhat enterprise linux workstation 7.0

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 eus 7.6

redhat enterprise linux workstation 6.0

Vendor Advisories

Synopsis Important: thunderbird security update Type/Severity Security Advisory: Important Topic An update for thunderbird is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) bas ...
Synopsis Critical: firefox security and bug fix update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) ba ...
Synopsis Important: thunderbird security update Type/Severity Security Advisory: Important Topic An update for thunderbird is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability Scoring System (CVSS) bas ...
Synopsis Critical: firefox security update Type/Severity Security Advisory: Critical Topic An update for firefox is now available for Red Hat Enterprise Linux 6Red Hat Product Security has rated this update as having a security impact of Critical A Common Vulnerability Scoring System (CVSS) base score, wh ...
Firefox could be made to crash or run programs as your login if it opened a malicious website ...
USN-3801-1 caused some minor regressions in Firefox ...
Several security issues were fixed in Thunderbird ...
Multiple security issues have been found in the Mozilla Firefox web browser, which could result in the execution of arbitrary code, privilege escalation or information disclosure For the stable distribution (stretch), these problems have been fixed in version 6030esr-1~deb9u1 We recommend that you upgrade your firefox-esr packages For the deta ...
Multiple security issues have been found in Thunderbird: Multiple memory safety errors may lead to the execution of arbitrary code or denial of service For the stable distribution (stretch), these problems have been fixed in version 1:6030-1~deb9u1 We recommend that you upgrade your thunderbird packages For the detailed security status of thun ...
Memory safety bugs fixed in Firefox 63 and Firefox ESR 603 (CVE-2018-12390) Crash with nested event loops (CVE-2018-12392) Memory safety bugs fixed in Firefox ESR 603 (CVE-2018-12389) Integer overflow during Unicode conversion while loading JavaScript (CVE-2018-12393) ...
** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem When the candidate has been publicized, the details for this candidate will be provided ...
Mozilla Foundation Security Advisory 2018-28 Security vulnerabilities fixed in Thunderbird ESR 603 Announced October 31, 2018 Impact critical Products Thunderbird Fixed in Thunderbird 603 ...
Mozilla Foundation Security Advisory 2018-27 Security vulnerabilities fixed in Firefox ESR 603 Announced October 23, 2018 Impact critical Products Firefox ESR Fixed in Firefox ESR 603 ...
Mozilla Foundation Security Advisory 2018-26 Security vulnerabilities fixed in Firefox 63 Announced October 23, 2018 Impact critical Products Firefox Fixed in Firefox 63 ...