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Ubuntu: (Multiple Advisories) (CVE-2021-23982): Firefox vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-23982): Firefox vulnerabilities

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
03/25/2021
Created
03/30/2021
Added
03/26/2021
Modified
03/22/2023

Description

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR < 78.9, Firefox < 87, and Thunderbird < 78.9.

Solution(s)

  • ubuntu-upgrade-firefox
  • ubuntu-upgrade-thunderbird

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