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CVE-2019-11691

Description

A use-after-free vulnerability can occur when working with XMLHttpRequest (XHR) in an event loop, causing the XHR main thread to be called after it has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7. #### Notes Author| Note ---|--- [tyhicks](<https://launchpad.net/~tyhicks>) | mozjs contains a copy of the SpiderMonkey JavaScript engine


Affected Package


OS OS Version Package Name Package Version
ubuntu upstream mozjs60 any
ubuntu 18.04 mozjs52 any
ubuntu 20.04 mozjs52 any
ubuntu upstream mozjs52 any
ubuntu 20.10 firefox 67.0+build2-0ubuntu1
ubuntu 21.04 firefox 67.0+build2-0ubuntu1
ubuntu 22.04 firefox 67.0+build2-0ubuntu1
ubuntu upstream firefox 67.0+build2-0ubuntu1
ubuntu upstream firefox 67.0+build2-0ubuntu1
ubuntu 18.04 firefox 67.0+build2-0ubuntu0.18.04.1
ubuntu 18.10 firefox 67.0+build2-0ubuntu0.18.10.1
ubuntu 19.04 firefox 67.0+build2-0ubuntu0.19.04.1
ubuntu 19.10 firefox 67.0+build2-0ubuntu1
ubuntu 20.04 firefox 67.0+build2-0ubuntu1
ubuntu upstream firefox 67.0
ubuntu 16.04 firefox 67.0+build2-0ubuntu0.16.04.1
ubuntu 20.10 thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu 21.04 thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu 22.04 thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu upstream thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu upstream thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu 18.04 thunderbird 1:60.7.0+build1-0ubuntu0.18.04.1
ubuntu 18.10 thunderbird 1:60.7.0+build1-0ubuntu0.18.10.1
ubuntu 19.04 thunderbird 1:60.7.0+build1-0ubuntu0.19.04.1
ubuntu 19.10 thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu 20.04 thunderbird 1:60.7.0+build1-0ubuntu3
ubuntu upstream thunderbird 60.7
ubuntu 16.04 thunderbird 1:60.7.0+build1-0ubuntu0.16.04.1
ubuntu 18.04 mozjs38 any
ubuntu upstream mozjs38 any

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