{"id":"CVE-2026-95393","state":"PUBLISHED","title":"Heap-based Buffer Overflow in Wireshark","description":"CSN.1 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service","publishedAt":"2026-09-29T09:33:03.014Z","updatedAt":"2026-09-29T15:47:24.905Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","source":"GitLab"},"assigner":"GitLab","products":["Wireshark Foundation Wireshark"],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unaffected","versions":[{"version":"4.6.0","status":"affected","lessThan":"4.6.9","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.19","versionType":"semver"}],"repo":"https://gitlab.com/wireshark/wireshark"}],"references":["https://www.wireshark.org/security/wnpa-sec-2026-99.html","https://gitlab.com/wireshark/wireshark/-/work_items/21510"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/95xxx/CVE-2026-95393.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-95393","state":"PUBLISHED","datePublished":"2026-09-29T09:33:03.014Z","dateUpdated":"2026-09-29T15:47:24.905Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-09-22T05:34:31.672Z"},"containers":{"cna":{"title":"Heap-based Buffer Overflow in Wireshark","descriptions":[{"lang":"en","value":"CSN.1 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service"}],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unaffected","versions":[{"version":"4.6.0","status":"affected","lessThan":"4.6.9","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.19","versionType":"semver"}],"repo":"https://gitlab.com/wireshark/wireshark"}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2026-99.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21510"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","attackVector":"LOCAL","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":4.7,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-09-29T09:33:03.014Z"},"solutions":[{"lang":"en","value":"Upgrade to version 4.6.9 or above"}],"credits":[{"lang":"en","value":"Security research assessment of Wireshark internals (Feng Xue)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21510","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-29T15:46:53.215496Z","id":"CVE-2026-95393","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-29T15:47:24.905Z"}}]}}}