CVE-2018-5178

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data

published June 11, 2018

CVSS
—
EPSS
5%
Percentile
92.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.04893 · 92.0th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data
    cvelistv5