Vulnerability · NVD

CVE-2018-18500

CVE-2018-18500, critical severity (CVSS 9.8): 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 9.8
Exploitation: 12.7 %
Tracked apps: 2
Still exposed: 0

Published on 2019-02-05

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.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS 12.66% moderate exploit risk percentile 96.2%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <65.0 Fixed in 65.0 Latest tracked 157.0.1 patched
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <60.5 Fixed in 60.5 Latest tracked 158.0 patched

NVD references 11 distinct products for this CVE : only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<65.0	cpe:2.3:a:mozilla:firefox::::::::
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<60.5	cpe:2.3:a:mozilla:thunderbird::::::::

View on NVD ↗ Advisory · www.mozilla.org

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