CVE-2018-5091

9.8 CRITICAL

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

Description

A use-after-free vulnerability can occur during WebRTC connections when interacting with the DTMF timers. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.6 and Firefox < 58.

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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:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://www.securityfocus.com/bid/102783

Source: security@mozilla.org

Third Party Advisory VDB Entry

http://www.securitytracker.com/id/1040270

Source: security@mozilla.org

Third Party Advisory VDB Entry

https://access.redhat.com/errata/RHSA-2018:0122

Source: security@mozilla.org

Third Party Advisory

https://bugzilla.mozilla.org/show_bug.cgi?id=1423086

Source: security@mozilla.org

Issue Tracking Permissions Required Vendor Advisory

https://lists.debian.org/debian-lts-announce/2018/01/msg00030.html

Source: security@mozilla.org

Third Party Advisory

https://usn.ubuntu.com/3544-1/

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2018/dsa-4096

Source: security@mozilla.org

Third Party Advisory

https://www.debian.org/security/2018/dsa-4102

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2018-02/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2018-03/

Source: security@mozilla.org

Vendor Advisory

http://www.securityfocus.com/bid/102783