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MFSA2017-22 Firefox: Security vulnerabilities fixed in Firefox ESR 52.4 (CVE-2017-7793)

Severity CVSS Published Added Modified
8 (AV:N/AC:L/Au:N/C:P/I:P/A:P) September 28, 2017 September 29, 2017 August 13, 2018

Description

A use-after-free vulnerability can occur in the Fetch API when the worker or the associated window are freed when still in use, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

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References

Solution

mozilla-firefox-esr-upgrade-52_4

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