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MFSA2017-19 Firefox: Security vulnerabilities fixed in Firefox ESR 52.3 (CVE-2017-7800)

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MFSA2017-19 Firefox: Security vulnerabilities fixed in Firefox ESR 52.3 (CVE-2017-7800)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
08/08/2017
Created
07/25/2018
Added
08/09/2017
Modified
08/06/2018

Description

A use-after-free vulnerability can occur in WebSockets when the object holding the connection is freed before the disconnection operation is finished. This results in an exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.

Solution(s)

  • mozilla-firefox-esr-upgrade-52_3

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