CVE-2018-18498

2018-12-1100:00:00

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

0.009 Low

EPSS

Percentile

82.2%

JSON

A potential vulnerability leading to an integer overflow can occur during
buffer size calculations for images when a raw value is used instead of the
checked value. This leads to a possible out-of-bounds write. This
vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox <
64.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 64.0+build3-0ubuntu0.18.04.1UNKNOWN
ubuntu18.10noarchfirefox< 64.0+build3-0ubuntu0.18.10.1UNKNOWN
ubuntu14.04noarchfirefox< 64.0+build3-0ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchfirefox< 64.0+build3-0ubuntu0.16.04.1UNKNOWN
ubuntu18.04noarchthunderbird< 1:60.4.0+build2-0ubuntu0.18.04.1UNKNOWN
ubuntu18.10noarchthunderbird< 1:60.4.0+build2-0ubuntu0.18.10.1UNKNOWN
ubuntu14.04noarchthunderbird< 1:60.4.0+build2-0ubuntu0.14.04.1UNKNOWN
ubuntu16.04noarchthunderbird< 1:60.4.0+build2-0ubuntu0.16.04.1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	firefox	< 64.0+build3-0ubuntu0.18.04.1	UNKNOWN
ubuntu	18.10	noarch	firefox	< 64.0+build3-0ubuntu0.18.10.1	UNKNOWN
ubuntu	14.04	noarch	firefox	< 64.0+build3-0ubuntu0.14.04.1	UNKNOWN
ubuntu	16.04	noarch	firefox	< 64.0+build3-0ubuntu0.16.04.1	UNKNOWN
ubuntu	18.04	noarch	thunderbird	< 1:60.4.0+build2-0ubuntu0.18.04.1	UNKNOWN
ubuntu	18.10	noarch	thunderbird	< 1:60.4.0+build2-0ubuntu0.18.10.1	UNKNOWN
ubuntu	14.04	noarch	thunderbird	< 1:60.4.0+build2-0ubuntu0.14.04.1	UNKNOWN
ubuntu	16.04	noarch	thunderbird	< 1:60.4.0+build2-0ubuntu0.16.04.1	UNKNOWN