An integer overflow can occur during conversion of text to some Unicode character sets due to an unchecked length parameter. This vulnerability affects Firefox ESR < 52.7 and Thunderbird < 52.7.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-5144 from the MITRE CVE dictionary dictionary and NIST NVD.
| CVSS3 Base Score | 6.1 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | Low |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat Enterprise Linux 6 (thunderbird) | RHSA-2018:0647 | 2018-04-05 |
| Red Hat Enterprise Linux 7 (thunderbird) | RHSA-2018:0648 | 2018-04-05 |
| Red Hat Enterprise Linux 7 (firefox) | RHSA-2018:0527 | 2018-03-15 |
| Red Hat Enterprise Linux 6 (firefox) | RHSA-2018:0526 | 2018-03-15 |
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