CVE-2018-5158

The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file

published June 11, 2018

CVSS
—
EPSS
10%
Percentile
95.7
In the wild
Unconfirmed
What it is

The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.10240 · 95.7th percentile
Published
2018-06-11T21:00Z
EPSS history
Timeline
  • 11 JUN 21:00Z
    The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file
    cvelistv5