{"id":"CVE-2026-76891","state":"PUBLISHED","title":"Expired Pointer Dereference in Wireshark","description":"Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service","publishedAt":"2026-08-19T22:46:40.525Z","updatedAt":"2026-09-17T18:47:20.810Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","source":"GitLab"},"assigner":"GitLab","products":["Wireshark Foundation Wireshark"],"affected":[{"vendor":"Wireshark Foundation","product":"Wireshark","defaultStatus":"unaffected","versions":[{"version":"4.6.0","status":"affected","lessThan":"4.6.8","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.18","versionType":"semver"}]}],"references":["https://www.wireshark.org/security/wnpa-sec-2026-64.html","https://gitlab.com/wireshark/wireshark/-/work_items/21395"],"weaknesses":["CWE-825"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76891.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76891","state":"PUBLISHED","datePublished":"2026-08-19T22:46:40.525Z","dateUpdated":"2026-09-17T18:47:20.810Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-08-19T22:35:19.932Z"},"containers":{"cna":{"title":"Expired Pointer Dereference in Wireshark","descriptions":[{"lang":"en","value":"Crash in sharkd in 4.6.0 to 4.6.7 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":"4.6.8","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.18","versionType":"semver"}]}],"references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2026-64.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21395"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW","baseScore":3.1,"baseSeverity":"LOW"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-825","lang":"en","description":"CWE-825: Expired Pointer Dereference","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-08-19T22:46:40.525Z"},"solutions":[{"lang":"en","value":"Upgrade to version 4.6.8 or above"}],"credits":[{"lang":"en","value":"Claude and Ada Logics","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-20T15:06:34.873723Z","id":"CVE-2026-76891","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-17T18:47:20.810Z"}}]}}}