CVE-2020-15680 Affecting firefox package, versions <82.0.2+build1-0ubuntu1


Severity

Recommended
0.0
medium
0
10

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.09% (38th percentile)

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  • Snyk IDSNYK-UBUNTU2104-FIREFOX-1260040
  • published23 Oct 2020
  • disclosed22 Oct 2020

Introduced: 22 Oct 2020

CVE-2020-15680  (opens in a new tab)

How to fix?

Upgrade Ubuntu:21.04 firefox to version 82.0.2+build1-0ubuntu1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Ubuntu. See How to fix? for Ubuntu:21.04 relevant fixed versions and status.

If a valid external protocol handler was referenced in an image tag, the resulting broken image size could be distinguished from a broken image size of a non-existent protocol handler. This allowed an attacker to successfully probe whether an external protocol handler was registered. This vulnerability affects Firefox < 82.

CVSS Scores

version 3.1