Medium severity · published Dec 21, 2020
CVE-2020-26422
Buffer overflow in QUIC dissector in Wireshark 3.4.0 to 3.4.1 allows denial of service via packet injection or crafted capture file
5.3
CVSS
4.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)4.7% · higher than 92% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WI
Wireshark · Wireshark
3.4.0; 3.4.1 · source: NVD
ZS
Zfs Storage Appliance Kit · Oracle
8.8 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26422
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26422
Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json
Issue Tracking
https://gitlab.com/wireshark/wireshark/-/issues/17073
Third Party Advisory
https://security.gentoo.org/glsa/202101-12
Patch
https://www.oracle.com/security-alerts/cpuApr2021.html
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2020-20.html
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