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Red Hat: CVE-2020-6820: Use-after-free when handling a ReadableStream (Multiple Advisories)

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Red Hat: CVE-2020-6820: Use-after-free when handling a ReadableStream (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
04/07/2020
Created
04/09/2020
Added
04/08/2020
Modified
12/15/2023

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)

  • redhat-upgrade-firefox
  • redhat-upgrade-firefox-debuginfo
  • redhat-upgrade-firefox-debugsource
  • redhat-upgrade-thunderbird
  • redhat-upgrade-thunderbird-debuginfo
  • redhat-upgrade-thunderbird-debugsource

References

  • CVE-2020-6820
  • RHSA-2020:1338
  • RHSA-2020:1341
  • RHSA-2020:1489
  • RHSA-2020:1495

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