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Red Hat: CVE-2019-17026: CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (Multiple Advisories)

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Red Hat: CVE-2019-17026: CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (Multiple Advisories)

Severity
7
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
Published
01/13/2020
Created
01/15/2020
Added
01/14/2020
Modified
12/15/2023

Description

Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1.

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-2019-17026
  • RHSA-2020:0085
  • RHSA-2020:0111
  • RHSA-2020:0120
  • RHSA-2020:0127

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