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Vulnerability Details : 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 freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.
Vulnerability category: Memory Corruption
Published 2019-02-05 21:29:00
Updated 2019-04-02 07:29:06
Source Mozilla Corporation
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-18500

Probability of exploitation activity in the next 30 days: 36.59%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 97 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-18500

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
7.5
 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P
10.0
6.4
 [email protected]
9.8
 CRITICAL CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 [email protected]

CWE ids for CVE-2018-18500

References for CVE-2018-18500

Products affected by CVE-2018-18500

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