{"id":"CVE-2026-76880","state":"PUBLISHED","title":"Out-of-bounds Write in Wireshark","description":"RRC protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service","publishedAt":"2026-08-19T22:44:05.539Z","updatedAt":"2026-08-20T15:26:30.315Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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":"4.6.8","versionType":"semver"},{"version":"4.4.0","status":"affected","lessThan":"4.4.18","versionType":"semver"}]}],"references":["https://www.wireshark.org/security/wnpa-sec-2026-88.html","https://gitlab.com/wireshark/wireshark/-/work_items/21478"],"weaknesses":["CWE-787"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76880.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76880","state":"PUBLISHED","datePublished":"2026-08-19T22:44:05.539Z","dateUpdated":"2026-08-20T15:26:30.315Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-08-19T22:34:04.934Z"},"containers":{"cna":{"title":"Out-of-bounds Write in Wireshark","descriptions":[{"lang":"en","value":"RRC protocol dissector crash 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-2026-88.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21478"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-787","lang":"en","description":"CWE-787: Out-of-bounds Write","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-08-19T22:44:05.539Z"},"solutions":[{"lang":"en","value":"Upgrade to version 4.6.8 or above"}],"credits":[{"lang":"en","value":"Aisle Research (Dmitrijs Trizna, Luigino Camastra, Ze Sheng (O2Lab & TAMU), Igor Morgenstern)","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-76880","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-08-20T15:08:20.371145Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T15:26:30.315Z"}}]}}}