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CVE-2017-7819

Publication date 2 October 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 in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.

Status

Package Ubuntu Release Status
firefox 18.04 LTS bionic
Fixed 56.0+build6-0ubuntu1
17.10 artful
Fixed 56.0+build6-0ubuntu1
17.04 zesty
Fixed 56.0+build6-0ubuntu0.17.04.1
16.04 LTS xenial
Fixed 56.0+build6-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 56.0+build6-0ubuntu0.14.04.1
thunderbird 18.04 LTS bionic
Fixed 1:52.4.0+build1-0ubuntu2
17.10 artful
Fixed 1:52.4.0+build1-0ubuntu2
17.04 zesty
Fixed 1:52.4.0+build1-0ubuntu0.17.04.2
16.04 LTS xenial
Fixed 1:52.4.0+build1-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 1:52.4.0+build1-0ubuntu0.14.04.2

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-3436-1
    • Thunderbird vulnerabilities
    • 11 October 2017
    • USN-3435-1
    • Firefox vulnerabilities
    • 2 October 2017

Other references