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ubuntucveUbuntu.comUB:CVE-2018-18493
HistoryDec 11, 2018 - 12:00 a.m.

CVE-2018-18493

2018-12-1100:00:00
ubuntu.com
ubuntu.com
9

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

82.7%

JSON

A buffer overflow can occur in the Skia library during buffer offset
calculations with hardware accelerated canvas 2D actions due to the use of
32-bit calculations instead of 64-bit. This results in a potentially
exploitable crash. 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

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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

82.7%

JSON
Related for UB:CVE-2018-18493
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