CVE-2018-5178
High
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.
SeverityHigh
CVSS8.1
Exploit probability—
Product
Mozilla Firefox
PublishedJun 11, 2018
First seenJun 11, 2018
How to fix
Update
- mozilla firefox52.8.0 or later
- mozilla thunderbird52.8.0 or later
- mozilla thunderbird_esr52.8.0 or later
Vendor advisories
- access.redhat.com/errata/RHSA-2018:1415
- security.gentoo.org/glsa/201810-01
- access.redhat.com/errata/RHSA-2018:1726
- access.redhat.com/errata/RHSA-2018:1414
- security.gentoo.org/glsa/201811-13
- usn.ubuntu.com/3660-1/
- debian.org/security/2018/dsa-4199
- access.redhat.com/errata/RHSA-2018:1725
- debian.org/security/2018/dsa-4209
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 52.8.0 | 52.8.0 |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
| mozilla thunderbird | v < 52.8.0 | 52.8.0 |
| mozilla thunderbird_esr | v < 52.8.0 | 52.8.0 |
| canonical ubuntu_linux | 14.04, 16.04, 17.10, 18.04 | — |
| redhat enterprise_linux_desktop | 6.0, 7.0 | — |
| redhat enterprise_linux_server | 6.0, 7.0 | — |
| redhat enterprise_linux_server_aus | 7.6 | — |
| redhat enterprise_linux_server_eus | 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.6 | — |
| redhat enterprise_linux_workstation | 6.0, 7.0 | — |
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