{"id":"CVE-2025-9817","state":"PUBLISHED","title":"NULL Pointer Dereference in Wireshark","description":"SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service","publishedAt":"2025-09-03T07:38:58.940Z","updatedAt":"2026-03-27T13:56:58.947Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitLab"},"assigner":"GitLab","products":["Wireshark Foundation Wireshark"],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unknown","versions":[{"version":"4.4.0","status":"affected","lessThan":"4.4.9","versionType":"semver"}]}],"references":["https://www.wireshark.org/security/wnpa-sec-2025-03.html","https://gitlab.com/wireshark/wireshark/-/issues/20642"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/9xxx/CVE-2025-9817.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-9817","state":"PUBLISHED","datePublished":"2025-09-03T07:38:58.940Z","dateUpdated":"2026-03-27T13:56:58.947Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2025-09-01T23:33:21.559Z"},"containers":{"cna":{"title":"NULL Pointer Dereference in Wireshark","descriptions":[{"lang":"en","value":"SSH dissector crash in Wireshark 4.4.0 to 4.4.8 allows denial of service"}],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unknown","versions":[{"version":"4.4.0","status":"affected","lessThan":"4.4.9","versionType":"semver"}]}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2025-03.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/20642","name":"GitLab Issue #20642","tags":["issue-tracking","permissions-required"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","description":"CWE-476: NULL Pointer Dereference","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-03-27T13:56:58.947Z"},"solutions":[{"lang":"en","value":"Upgrade to version 4.4.9 or above"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2025-9817","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-09-04T03:55:18.280820Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-02-26T17:49:45.745Z"}}]}}}