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ubuntucveUbuntu.comUB:CVE-2020-12420
HistoryJul 01, 2020 - 12:00 a.m.

CVE-2020-12420

2020-07-0100:00:00
ubuntu.com
ubuntu.com
7

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.007 Low

EPSS

Percentile

80.5%

JSON

When trying to connect to a STUN server, a race condition could have caused
a use-after-free of a pointer, leading to memory corruption and a
potentially exploitable crash. This vulnerability affects Firefox ESR <
68.10, Firefox < 78, and Thunderbird < 68.10.0.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 78.0.1+build1-0ubuntu0.18.04.1UNKNOWN
ubuntu19.10noarchfirefox< 78.0.1+build1-0ubuntu0.19.10.1UNKNOWN
ubuntu20.04noarchfirefox< 78.0.1+build1-0ubuntu0.20.04.1UNKNOWN
ubuntu20.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu21.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 78.0.1+build1-0ubuntu1UNKNOWN
Rows per page:
1-10 of 261

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RHEL 6 : firefox (RHSA-2020:2824)
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8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

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

0.007 Low

EPSS

Percentile

80.5%

JSON
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