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Red Hat: CVE-2018-12387: Critical: firefox security update (Multiple Advisories)

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Red Hat: CVE-2018-12387: Critical: firefox security update (Multiple Advisories)

Severity
6
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:P)
Published
10/08/2018
Created
03/19/2019
Added
10/09/2018
Modified
03/03/2021

Description

A vulnerability where the JavaScript JIT compiler inlines Array.prototype.push with multiple arguments that results in the stack pointer being off by 8 bytes after a bailout. This leaks a memory address to the calling function which can be used as part of an exploit inside the sandboxed content process. This vulnerability affects Firefox ESR < 60.2.2 and Firefox < 62.0.3.

Solution(s)

  • redhat-upgrade-firefox
  • redhat-upgrade-firefox-debuginfo

References

  • 105460
  • DSA-4310
  • CVE-2018-12387
  • RHSA-2018:2881
  • RHSA-2018:2884

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