{"id":"CVE-2026-6536","summary":"Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark","details":"DLMS/COSEM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4","modified":"2026-07-15T01:49:08.230177674Z","published":"2026-04-30T05:36:59.213Z","related":["openSUSE-SU-2026:10686-1"],"database_specific":{"cna_assigner":"GitLab","cwe_ids":["CWE-835"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6536.json"},"references":[{"type":"WEB","url":"https://www.wireshark.org/security/wnpa-sec-2026-25.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6536.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6536"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/issues/21065"},{"type":"EVIDENCE","url":"https://gitlab.com/wireshark/wireshark/-/work_items/21065"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"last_affected":"93282876538d78a2927108dd71ee0ff370aedb0a"}],"database_specific":{"extracted_events":[{"introduced":"4.6.0"},{"last_affected":"4.6.4"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*"}},{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"fixed":"b40c46f8386770910317bea2e9187b835502d1b4"}],"database_specific":{"cpe":"cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.6.5"},{"last_affected":"4.6.4"}],"source":["AFFECTED_FIELD","CPE_RANGE"]}}],"versions":["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","v4.6.5rc0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6536.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}