CVE-2017-7749

2017-06-1400:00:00

ubuntu.com

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.007 Low

EPSS

Percentile

79.5%

JSON

A use-after-free vulnerability when using an incorrect URL during the
reloading of a docshell. This results in a potentially exploitable crash.
This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and
Thunderbird < 52.2.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchfirefox< 54.0+build3-0ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchfirefox< 54.0+build3-0ubuntu0.16.04.1UNKNOWN
ubuntu16.10noarchfirefox< 54.0+build3-0ubuntu0.16.10.1UNKNOWN
ubuntu17.04noarchfirefox< 54.0+build3-0ubuntu0.17.04.1UNKNOWN
ubuntu14.04noarchthunderbird< 1:52.2.1+build1-0ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchthunderbird< 1:52.2.1+build1-0ubuntu0.16.04.1UNKNOWN
ubuntu16.10noarchthunderbird< 1:52.2.1+build1-0ubuntu0.16.10.1UNKNOWN
ubuntu17.04noarchthunderbird< 1:52.2.1+build1-0ubuntu0.17.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	firefox	< 54.0+build3-0ubuntu0.14.04.1	UNKNOWN
ubuntu	16.04	noarch	firefox	< 54.0+build3-0ubuntu0.16.04.1	UNKNOWN
ubuntu	16.10	noarch	firefox	< 54.0+build3-0ubuntu0.16.10.1	UNKNOWN
ubuntu	17.04	noarch	firefox	< 54.0+build3-0ubuntu0.17.04.1	UNKNOWN
ubuntu	14.04	noarch	thunderbird	< 1:52.2.1+build1-0ubuntu0.14.04.1	UNKNOWN
ubuntu	16.04	noarch	thunderbird	< 1:52.2.1+build1-0ubuntu0.16.04.1	UNKNOWN
ubuntu	16.10	noarch	thunderbird	< 1:52.2.1+build1-0ubuntu0.16.10.1	UNKNOWN
ubuntu	17.04	noarch	thunderbird	< 1:52.2.1+build1-0ubuntu0.17.04.1	UNKNOWN