CVE-2018-18500

Mozilla: Use-after-free parsing HTML5 stream

Published Feb 5, 2019 CVSS 3.0 · 9.8 Critical EPSS 12.7% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1648-1 firefox-esr security update
Debian DLA Debian DLA DLA-1678-1 thunderbird security update
Debian DSA Debian DSA DSA-4376-1 firefox-esr security update
Debian DSA Debian DSA DSA-4392-1 thunderbird security update
Ubuntu USN Ubuntu USN USN-3874-1 Firefox vulnerabilities
Ubuntu USN Ubuntu USN USN-3897-1 Thunderbird vulnerabilities
History

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