Kaspersky LabKLA12266KLA12266 DoS vulnerability in Mozilla Thunderbird
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
53.0%
Header splitting vulnerability was found in Mozilla Thunderbird. Malicious users can exploit this vulnerability to cause denial of service.
Original advisories
Related products
CVE list
CVE-2021-29991 unknown
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
- Mozilla Thunderbird earlier than 91.0.1
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:P/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
AI Score
Confidence
High
EPSS
Percentile
53.0%