Kaspersky LabKLA11755KLA11755 Use after free vulnerability in Opera
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
9.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
68.0%
Use after free vulnerability was found in Opera. Malicious users can exploit this vulnerability to cause denial of service.
Original advisories
Stable Channel Update for Desktop
Related products
CVE list
CVE-2020-6457 high
Solution
Update to the latest version
Impacts
- DoS
Denial of service. Exploitation of vulnerabilities with this impact can lead to loss of system availability or critical functional fault.
Affected Products
- Opera earlier than 68.0.3618.45
Related
6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
9.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
9.6 High
AI Score
Confidence
High
0.003 Low
EPSS
Percentile
68.0%