CVE-2020-26422
LOW severity · CVSS 3.7 · Buffer overflow
3.7CVSS LOW
Summary
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
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://www.oracle.com/security-alerts/cpuApr2021.html ↗
Additional information
- NVD record
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatch
- https://www.wireshark.org/security/wnpa-sec-2020-20.htmlAdvisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.jsonAdvisory
- https://gitlab.com/wireshark/wireshark/-/issues/17073Advisory
- https://security.gentoo.org/glsa/202101-12Advisory