{"id":"CVE-2026-15165","summary":"Heap-based Buffer Overflow in Wireshark","details":"TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service","modified":"2026-08-12T03:51:12.937051030Z","published":"2026-07-08T20:50:45.283Z","related":["SUSE-SU-2026:3501-1","openSUSE-SU-2026:11460-1"],"database_specific":{"cna_assigner":"GitLab","cwe_ids":["CWE-122"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15165.json","unresolved_ranges":[{"extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.6.7"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://gitlab.com/wireshark/wireshark/-/work_items/21390"},{"type":"WEB","url":"https://www.wireshark.org/security/wnpa-sec-2026-56.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/15xxx/CVE-2026-15165.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15165"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"fixed":"b439fb7b47a9fe9a01ccbb6078ac20737155af80"}],"database_specific":{"cpe":"cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.6.7"}],"source":"CPE_RANGE"}}],"versions":["v4.6.6","v4.6.6rc0","v4.6.5","v4.6.5rc0","v4.6.4","v4.6.4rc0","v4.6.3","v4.6.3rc0","v4.6.2","v4.6.2rc0","v4.6.1","v4.6.1rc0","v4.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15165.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"fixed":"b439fb7b47a9fe9a01ccbb6078ac20737155af80"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.6.7"}]}}],"versions":["v4.6.7rc0","v4.6.6","v4.6.6rc0","v4.6.5","v4.6.5rc0","v4.6.4","v4.6.4rc0","v4.6.3","v4.6.3rc0","v4.6.2","v4.6.2rc0","v4.6.1","v4.6.1rc0","v4.6.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-15165.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}