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ubuntucveUbuntu.comUB:CVE-2021-38506
HistoryNov 03, 2021 - 12:00 a.m.

CVE-2021-38506

2021-11-0300:00:00
ubuntu.com
ubuntu.com
25

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

51.2%

JSON

Through a series of navigations, Firefox could have entered fullscreen mode
without notification or warning to the user. This could lead to spoofing
attacks on the browser UI including phishing. This vulnerability affects
Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

Notes

Author Note
tyhicks mozjs contains a copy of the SpiderMonkey JavaScript engine
OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchfirefox< 94.0+build3-0ubuntu0.18.04.1UNKNOWN
ubuntu20.04noarchfirefox< 94.0+build3-0ubuntu0.20.04.1UNKNOWN
ubuntu21.04noarchfirefox< 94.0+build3-0ubuntu0.21.04.1UNKNOWN
ubuntu21.10noarchfirefox< 94.0+build3-0ubuntu0.21.10.1UNKNOWN
ubuntu22.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu22.10noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu23.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu23.10noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu24.04noarchfirefox< 94.0+build3-0ubuntu1UNKNOWN
ubuntu18.04noarchmozjs38< anyUNKNOWN
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CVE-2021-38506
2021-12-08 21:21:47
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Spoofing Attack
2021-11-05 03:36:35
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Code injection
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Mozilla Firefox has an unspecified vulnerability (CNVD-2021-101168)
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Update now! Mozilla fixes security vulnerabilities in Firefox 94
2021-11-03 14:23:29
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Ubuntu: Security Advisory (USN-5152-1)
2022-01-28 00:00:00
CentOS: Security Advisory for thunderbird (CESA-2021:4134)
2021-11-18 00:00:00
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2021-11-08 00:00:00
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2021-11-18 00:00:00
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2021-11-03 00:00:00
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Ubuntu 21.10 : Thunderbird vulnerabilities (USN-5152-1)
2021-11-19 00:00:00
Oracle Linux 7 : thunderbird (ELSA-2021-4134)
2021-11-05 00:00:00
CentOS 7 : firefox (CESA-2021:4116)
2021-11-17 00:00:00
oraclelinux
oraclelinux
thunderbird security update
2021-11-05 00:00:00
thunderbird security update
2021-11-05 00:00:00
firefox security update
2021-11-04 00:00:00
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Important: thunderbird security update
2021-11-04 16:03:41
Important: firefox security update
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firefox vulnerabilities
2021-11-03 20:09:06
archlinux
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[ASA-202111-2] firefox: multiple issues
2021-11-05 00:00:00
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Important: thunderbird security update
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Important: firefox security update
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centos
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firefox security update
2021-11-17 15:24:37
thunderbird security update
2021-11-17 15:26:59
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Security fix for the ALT Linux 10 package thunderbird version 91.3.0-alt1
2021-11-10 00:00:00
Security fix for the ALT Linux 10 package firefox-esr version 91.3.0-alt1
2021-11-09 00:00:00
redhat
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(RHSA-2021:4130) Important: thunderbird security update
2021-11-04 16:03:41
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Updated firefox packages fix security vulnerability
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2021-11-11 01:53:34
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mozilla
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Security Vulnerabilities fixed in Firefox ESR 91.3 — Mozilla
2021-11-02 00:00:00
Security Vulnerabilities fixed in Thunderbird 91.3 — Mozilla
2021-11-03 00:00:00
Security Vulnerabilities fixed in Firefox 94 — Mozilla
2021-11-02 00:00:00
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2021-12-29 14:08:44
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2023-01-31 14:47:39
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Mozilla Firefox: Multiple vulnerabilities
2022-02-21 00:00:00
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2022-08-10 00:00:00

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

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

51.2%

JSON
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