Arbitrary Code Injection Affecting firefox-esr package, versions <52.8.0esr-1~deb8u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
1.7% (89th percentile)

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  • Snyk IDSNYK-DEBIAN8-FIREFOXESR-355079
  • published11 Jun 2018
  • disclosed11 Jun 2018

Introduced: 11 Jun 2018

CVE-2018-5158  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Debian:8 firefox-esr to version 52.8.0esr-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox-esr package and not the firefox-esr package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

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.