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CVE-2017-7828

Publication date 15 November 2017

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 when flushing and resizing layout because the "PressShell" object has been freed while still in use. This results in a potentially exploitable crash during these operations. This vulnerability affects Firefox < 57, Firefox ESR < 52.5, and Thunderbird < 52.5.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 57.0.1+build2-0ubuntu1
17.10 artful
Fixed 57.0+build4-0ubuntu0.17.10.5
17.04 zesty
Fixed 57.0+build4-0ubuntu0.17.04.5
16.04 LTS xenial
Fixed 57.0+build4-0ubuntu0.16.04.5
14.04 LTS trusty
Fixed 57.0+build4-0ubuntu0.14.04.4
thunderbird 18.04 LTS bionic
Fixed 1:52.6.0+build1-0ubuntu1
17.10 artful
Fixed 1:52.5.0+build1-0ubuntu0.17.10.1
17.04 zesty
Fixed 1:52.5.0+build1-0ubuntu0.14.04.1
16.04 LTS xenial
Fixed 1:52.5.0+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:52.5.0+build1-0ubuntu0.14.04.1

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-3490-1
    • Thunderbird vulnerabilities
    • 1 December 2017
    • USN-3477-1
    • Firefox vulnerabilities
    • 16 November 2017

Other references