CVE-2017-5449

7.5 HIGH

Published: June 11, 2018 Modified: November 25, 2025

Description

A possibly exploitable crash triggered during layout and manipulation of bidirectional unicode text in concert with CSS animations. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

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

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/97940

Source: security@mozilla.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1038320

Source: security@mozilla.org

Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2017:1104

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1106

Source: security@mozilla.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2017:1201

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1340127

Source: security@mozilla.org

Issue Tracking Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-10/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-12/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2017-13/

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/97940