cbcvebase.
CVE-2018-18500
published 2019-02-05

CVE-2018-18500: A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being…

critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.

Affected

31 ranges· showing 25
VendorProductVersion rangeFixed in
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
canonicalubuntu_linux
debiandebian_linux
debiandebian_linux
debianfirefox< firefox 65.0-1 (sid)firefox 65.0-1 (sid)
debianfirefox-esr< firefox 65.0-1 (sid)firefox 65.0-1 (sid)
debianthunderbird< firefox 65.0-1 (sid)firefox 65.0-1 (sid)
mozillafirefox< 65.065.0
mozillafirefox>= 0 < 65.0+build2-0ubuntu0.14.04.165.0+build2-0ubuntu0.14.04.1
mozillafirefox>= 0 < 65.0+build2-0ubuntu0.16.04.165.0+build2-0ubuntu0.16.04.1
mozillafirefox>= 0 < 65.0+build2-0ubuntu0.18.04.165.0+build2-0ubuntu0.18.04.1
mozillafirefox_esr< 60.560.5
mozillathunderbird< 60.560.5
mozillathunderbird>= 0 < 1:60.5.0-11:60.5.0-1
mozillathunderbird>= 0 < 1:60.5.0-11:60.5.0-1
mozillathunderbird>= 0 < 1:60.5.0-11:60.5.0-1
mozillathunderbird>= 0 < 1:60.5.0-11:60.5.0-1
mozillathunderbird>= 0 < 1:60.5.1+build2-0ubuntu0.14.04.11:60.5.1+build2-0ubuntu0.14.04.1
mozillathunderbird>= 0 < 1:60.5.1+build2-0ubuntu0.16.04.11:60.5.1+build2-0ubuntu0.16.04.1
mozillathunderbird>= 0 < 1:60.5.1+build2-0ubuntu0.18.04.11:60.5.1+build2-0ubuntu0.18.04.1
redhatenterprise_linux_desktop
redhatenterprise_linux_desktop
redhatenterprise_linux_server

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL