Vulnerability Description
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. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 7.0 |
| Mozilla | Firefox | < 52.8.0 |
| Mozilla | Thunderbird | < 52.8.0 |
| Mozilla | Thunderbird Esr | < 52.8.0 |
| Canonical | Ubuntu Linux | 14.04 |
| Redhat | Enterprise Linux Desktop | 6.0 |
| Redhat | Enterprise Linux Server | 6.0 |
| Redhat | Enterprise Linux Server Aus | 7.6 |
| Redhat | Enterprise Linux Server Eus | 7.5 |
| Redhat | Enterprise Linux Server Tus | 7.6 |
| Redhat | Enterprise Linux Workstation | 6.0 |
Related Weaknesses (CWE)
References
- http://www.securityfocus.com/bid/104138Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040898Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:1414Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1415Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1725Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1726Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1443891Issue TrackingPermissions RequiredVendor Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00007.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/05/msg00013.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/201810-01Third Party Advisory
- https://security.gentoo.org/glsa/201811-13Third Party Advisory
- https://usn.ubuntu.com/3660-1/Third Party Advisory
- https://www.debian.org/security/2018/dsa-4199Third Party Advisory
- https://www.debian.org/security/2018/dsa-4209Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2018-12/Vendor Advisory
FAQ
What is CVE-2018-5178?
CVE-2018-5178 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ext...
How severe is CVE-2018-5178?
CVE-2018-5178 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-5178?
Check the references section above for vendor advisories and patch information. Affected products include: Debian Debian Linux, Mozilla Firefox, Mozilla Thunderbird, Mozilla Thunderbird Esr, Canonical Ubuntu Linux.