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Debian: CVE-2021-29984: firefox-esr, thunderbird -- security update

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Debian: CVE-2021-29984: firefox-esr, thunderbird -- security update

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
08/13/2021
Created
08/14/2021
Added
08/13/2021
Modified
08/27/2021

Description

Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

Solution(s)

  • debian-upgrade-firefox-esr
  • debian-upgrade-thunderbird

References

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