CVE-2020-35111 Affecting mozilla package, versions [,78.6.0)(78.6.0,84.0)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (55th percentile)

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  • Snyk IDSNYK-UNMANAGED-MOZILLA-2378422
  • published26 Jan 2022
  • disclosed7 Jan 2021
  • creditUnknown

Introduced: 7 Jan 2021

CVE-2020-35111  (opens in a new tab)

How to fix?

Upgrade mozilla to version 78.6.0, 84.0 or higher.

Overview

When an extension with the proxy permission registered to receive , the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

CVSS Scores

version 3.1