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kasperskyKaspersky LabKLA11994
HistoryNov 09, 2020 - 12:00 a.m.

KLA11994 Use after free vulnerability in Mozilla Thunderbird

2020-11-0900:00:00
Kaspersky Lab
threats.kaspersky.com
25

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 High

AI Score

Confidence

High

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

0.925 High

EPSS

Percentile

99.0%

JSON

Detect date:

11/09/2020

Severity:

Warning

Description:

Use after free vulnerability was found in Mozilla Thunderbird. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service.

Affected products:

Mozilla Thunderbird earlier than 78.4.2

Solution:

Update to the latest version
Download Thunderbird

Original advisories:

MFSA2020-49

Impacts:

ACE

Related products:

Mozilla Thunderbird

CVE-IDS:

CVE-2020-269508.8Critical

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Scientific Linux Security Update : thunderbird on SL6.x i686/x86_64 (2020:5164)
2020-11-24 00:00:00
CentOS 7 : firefox (CESA-2020:5099)
2020-11-19 00:00:00
altlinux
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Security fix for the ALT Linux 10 package firefox-esr version 78.4.1-alt1
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2020-11-11 00:00:00
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(RHSA-2020:5167) Important: thunderbird security update
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Mozilla Firefox ESR Security Advisories (MFSA2020-49, MFSA2020-49) - Windows
2020-11-10 00:00:00
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2020-12-09 01:15:00
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thunderbird security update
2020-11-24 00:00:00
thunderbird security update
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Security Vulnerabilities fixed in Firefox 82.0.3, Firefox ESR 78.4.1, and Thunderbird 78.4.2 — Mozilla
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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 High

AI Score

Confidence

High

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

0.925 High

EPSS

Percentile

99.0%

JSON
Related for KLA11994
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