CVE-2016-5296

Publication date 16 November 2016

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

Description

A heap-buffer-overflow in Cairo when processing SVG content caused by compiler optimization, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 45.5, Firefox ESR < 45.5, and Firefox < 50.

Status

Package Ubuntu Release Status
firefox 16.10 yakkety
Fixed 50.0+build2-0ubuntu0.16.10.2
16.04 LTS xenial
Fixed 50.0+build2-0ubuntu0.16.04.2
14.04 LTS trusty
Fixed 50.0+build2-0ubuntu0.14.04.2
12.04 LTS precise
Fixed 50.0+build2-0ubuntu0.12.04.2
thunderbird 16.10 yakkety
Fixed 1:45.5.1+build1-0ubuntu0.16.10.1
16.04 LTS xenial
Fixed 1:45.5.1+build1-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 1:45.5.1+build1-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 1:45.5.1+build1-0ubuntu0.12.04.1

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3141-1
    • Thunderbird vulnerabilities
    • 1 December 2016
    • USN-3124-1
    • Firefox vulnerabilities
    • 19 November 2016

Other references