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Red Hat: CVE-2020-12420: CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server (Multiple Advisories)

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Red Hat: CVE-2020-12420: CVE-2020-12420 Mozilla: Use-After-Free when trying to connect to a STUN server (Multiple Advisories)

Severity
9
CVSS
(AV:N/AC:M/Au:N/C:C/I:C/A:C)
Published
07/06/2020
Created
07/08/2020
Added
07/08/2020
Modified
12/15/2023

Description

When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

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-2020-12420
  • RHSA-2020:2826
  • RHSA-2020:2827
  • RHSA-2020:2828
  • RHSA-2020:2906
  • RHSA-2020:2907
  • RHSA-2020:3038
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