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ubuntucveUbuntu.comUB:CVE-2018-12398
HistoryOct 24, 2018 - 12:00 a.m.

CVE-2018-12398

2018-10-2400:00:00
ubuntu.com
ubuntu.com
10

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

76.7%

By using the reflected URL in some special resource URIs, such as chrome:,
it is possible to inject stylesheets and bypass Content Security Policy
(CSP). This vulnerability affects Firefox < 63.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 63.0+build2-0ubuntu0.18.04.2UNKNOWN
ubuntu18.10noarchfirefox< 63.0+build2-0ubuntu0.18.10.2UNKNOWN
ubuntu19.04noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu19.10noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu20.04noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu20.10noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 63.0+build1-0ubuntu1UNKNOWN
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4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

0.005 Low

EPSS

Percentile

76.7%