{"cve":"CVE-2020-25862","nvd":{"published":"2020-10-06T15:15:15.273","modified":"2026-06-17T03:07:24.413","status":"Modified","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","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:H","score":7.5},"cwes":["CWE-354"],"references":["http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.html","http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.html","https://gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753","https://gitlab.com/wireshark/wireshark/-/issues/16816","https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html"],"products":["debian:debian_linux","fedoraproject:fedora","opensuse:leap","oracle:zfs_storage_appliance_firmware","wireshark:wireshark"],"source":"nvd","synced_at":"2026-10-19T21:09:53.489947993+00:00"},"epss":{"cve":"CVE-2020-25862","score":0.02353,"percentile":0.83729,"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."]}