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CVE-2018-5091

Publication date 23 January 2018

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.8 · Critical

Score breakdown

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.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 59.0.1+build1-0ubuntu1
17.10 artful
Fixed 58.0+build6-0ubuntu0.17.10.1
16.04 LTS xenial
Fixed 58.0+build6-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 58.0+build6-0ubuntu0.14.04.1

Severity score breakdown

Parameter Value
Base score 9.8 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3544-1
    • Firefox vulnerabilities
    • 24 January 2018

Other references