{"cve":"CVE-2020-26422","nvd":{"published":"2020-12-21T18:15:15.477","modified":"2026-06-17T03:08:06.560","status":"Modified","description":"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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","score":5.3},"cwes":["CWE-120"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26422.json","https://gitlab.com/wireshark/wireshark/-/issues/17073","https://security.gentoo.org/glsa/202101-12","https://www.oracle.com/security-alerts/cpuApr2021.html","https://www.wireshark.org/security/wnpa-sec-2020-20.html"],"products":["oracle:zfs_storage_appliance_kit","wireshark:wireshark"],"source":"nvd","synced_at":"2026-10-19T21:12:09.559580076+00:00"},"epss":{"cve":"CVE-2020-26422","score":0.04725,"percentile":0.9184,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}