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Alpine Linux: CVE-2018-18493: Buffer overflow in accelerated 2D canvas with Skia

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Alpine Linux: CVE-2018-18493: Buffer overflow in accelerated 2D canvas with Skia

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/28/2019
Created
04/22/2019
Added
04/16/2019
Modified
12/27/2019

Description

A buffer overflow can occur in the Skia library during buffer offset calculations with hardware accelerated canvas 2D actions due to the use of 32-bit calculations instead of 64-bit. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Solution(s)

  • alpine-linux-upgrade-firefox-esr

References

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