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Debian: CVE-2019-9796: firefox-esr, thunderbird -- security update

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Debian: CVE-2019-9796: firefox-esr, thunderbird -- security update

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
03/21/2019
Created
04/22/2019
Added
03/21/2019
Modified
02/10/2020

Description

A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is later freed with the removal of the animation controller element, the refresh driver incorrectly leaves a dangling pointer to the driver's observer array. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66.

Solution(s)

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

References

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