CVE-2018-5091

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

Vendor	Product	Versions
Mozilla	Firefox ESR	>= unspecified, < 52.6
Mozilla	Firefox	>= unspecified, < 58

References

http://www.securityfocus.com/bid/102783Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1423086Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
https://usn.ubuntu.com/3544-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4096Third Party Advisory
https://www.debian.org/security/2018/dsa-4102Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-03/Vendor Advisory
http://www.securityfocus.com/bid/102783Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040270Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:0122Third Party Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1423086Issue Tracking, Permissions Required, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/01/msg00030.htmlThird Party Advisory
https://usn.ubuntu.com/3544-1/Third Party Advisory
https://www.debian.org/security/2018/dsa-4096Third Party Advisory
https://www.debian.org/security/2018/dsa-4102Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2018-02/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2018-03/Vendor Advisory

Timeline

Published: Jun 11, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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