CVE-2018-5178
HIGH8.1EPSS 18.2%Published: 6/11/2018Modified: 4/28/2026
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.
Affected packages (2)
- Debian/firefox-esrfrom 0, < 52.8.0esr-1
- Debian/thunderbirdfrom 0, < 1:52.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.1 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |