CVE-2016-5271

Publication date 22 September 2016

Last updated 24 July 2024


Ubuntu priority

Cvss 3 Severity Score

6.5 · Medium

Score breakdown

The PropertyProvider::GetSpacingInternal function in Mozilla Firefox before 49.0 allows remote attackers to cause a denial of service (out-of-bounds read and application crash) via text runs in conjunction with a "display: contents" Cascading Style Sheets (CSS) property.

Status

Package Ubuntu Release Status
firefox 16.10 yakkety
Fixed 49.0+build4-0ubuntu2
16.04 LTS xenial
Fixed 49.0+build4-0ubuntu0.16.04.1
14.04 LTS trusty
Fixed 49.0+build4-0ubuntu0.14.04.1
12.04 LTS precise
Fixed 49.0+build4-0ubuntu0.12.04.1
thunderbird 16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty Not in release
12.04 LTS precise
Not affected

Severity score breakdown

Parameter Value
Base score 6.5 · Medium
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-3076-1
    • Firefox vulnerabilities
    • 22 September 2016

Other references