7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.017 Low
EPSS
Percentile
87.6%
Buffer overflow in the C12.22 dissector in Wireshark 3.4.0 to 3.4.9 and
3.2.0 to 3.2.17 allows denial of service via packet injection or crafted
capture file
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 20.04 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 22.04 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 23.10 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 24.04 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 14.04 | noarch | wireshark | < any | UNKNOWN |
ubuntu | 16.04 | noarch | wireshark | < any | UNKNOWN |
gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39922.json
gitlab.com/wireshark/wireshark/-/issues/17636
launchpad.net/bugs/cve/CVE-2021-39922
nvd.nist.gov/vuln/detail/CVE-2021-39922
security-tracker.debian.org/tracker/CVE-2021-39922
www.cve.org/CVERecord?id=CVE-2021-39922
www.wireshark.org/security/wnpa-sec-2021-12.html
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.017 Low
EPSS
Percentile
87.6%