{"id":"CVE-2026-76887","title":"Heap-based Buffer Overflow in Wireshark","summary":"Crash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service","severity":"low","cvss":3.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-122"],"vendor":"Wireshark Foundation","product":"Wireshark","affected":["Wireshark >= 4.6.0 < 4.6.8","Wireshark >= 4.4.0 < 4.4.18"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-20T15:02:31.190590Z"},"published":"2026-08-19","updated":"2026-09-17","sourceUpdated":"2026-09-17T18:46:16.633Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-76887","references":[{"url":"https://www.wireshark.org/security/wnpa-sec-2026-69.html"},{"url":"https://gitlab.com/wireshark/wireshark/-/work_items/21423"}],"tags":["cve.org"],"epss":0.00176,"epssPercentile":0.07336,"ingestedAt":"2026-09-17T19:26:25.342Z","slug":"CVE-2026-76887","body":"## Overview\n\nCrash in the Wireshark dissection engine in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service\n\n## Affected\n\n- `Wireshark >= 4.6.0 < 4.6.8`\n- `Wireshark >= 4.4.0 < 4.4.18`\n\n## Remediation\n\nUpgrade to version 4.6.8 or above","depth":"sunlit","depthScore":17,"depthScoreParts":{"impact":17.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}