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kasperskyKaspersky LabKLA11995
HistoryNov 09, 2020 - 12:00 a.m.

KLA11995 Use after free vulnerability in Mozilla Firefox

2020-11-0900:00:00
Kaspersky Lab
threats.kaspersky.com
47

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

8.9 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 Firefox. Malicious users can exploit this vulnerability to execute arbitrary code, cause denial of service.

Affected products:

Mozilla Firefox earlier than 82.0.3

Solution:

Update to the latest version
Download Firefox

Original advisories:

MFSA2020-49

Impacts:

ACE

Related products:

Mozilla Firefox

CVE-IDS:

CVE-2020-269508.8Critical

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RHEL 8 : thunderbird (RHSA-2020:5162)
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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
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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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2020-11-10 00:00:00
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thunderbird security update
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thunderbird security update
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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

8.9 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 KLA11995
nessus50altlinux2kaspersky2veracode1debian4redhat12openvas19alpinelinux1oraclelinux6suse4prion1malwarebytes1osv5redhatcve1centos1mageia1packetstorm1checkpoint_advisories1ibm1zdt1cve1ubuntu2archlinux1debiancve1mozilla1metasploit1ubuntucve1gentoo1rapid7blog1amazon1rosalinux1