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MFSA2020-11 Firefox: Security Vulnerabilities fixed in Firefox 74.0.1 and Firefox ESR 68.6.1 (CVE-2020-6820)

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MFSA2020-11 Firefox: Security Vulnerabilities fixed in Firefox 74.0.1 and Firefox ESR 68.6.1 (CVE-2020-6820)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
04/03/2020
Created
04/07/2020
Added
04/06/2020
Modified
04/07/2022

Description

Under certain conditions, when handling a ReadableStream, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.

Solution(s)

  • mozilla-firefox-esr-upgrade-68_6_1
  • mozilla-firefox-upgrade-74_0_1

References

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