CVE-2017-5402

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CVSS 3.0

9.8 critical

EPSS

3%p86

Published

Jun 11, 2018 (Jun 11, 2018)

Modified

Jun 17, 2026

Description

A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.

Vendors: debian redhat mozilla
Products: debian linux, enterprise linux, enterprise linux desktop, enterprise linux server, enterprise linux server aus, enterprise linux server eus, enterprise linux workstation, thunderbird, firefox
Weakness: CWE-416
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.9%)

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