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kasperskyKaspersky LabKLA12179
HistoryFeb 09, 2021 - 12:00 a.m.

KLA12179 DoS vulnerability in Opera

2021-02-0900:00:00
Kaspersky Lab
threats.kaspersky.com
28

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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.014 Low

EPSS

Percentile

86.0%

JSON

Detect date:

02/09/2021

Severity:

High

Description:

A heap buffer overflow vulnerability was found in Opera. Malicious users can exploit this vulnerability to cause denial of service.

Affected products:

Opera earlier than 74.0.3911.107

Solution:

Update to the latest version
Download Opera

Original advisories:

Changelog for Opera 74
Stable Channel Update for Desktop

Impacts:

DoS

Related products:

Opera

CVE-IDS:

CVE-2021-211488.8Critical

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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

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.014 Low

EPSS

Percentile

86.0%

JSON
Related for KLA12179
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