{"id":"CVE-2025-13945","summary":"Improperly Controlled Sequential Memory Allocation in Wireshark","details":"HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service","modified":"2026-04-10T04:14:25.887170Z","published":"2025-12-03T08:04:49.403Z","related":["SUSE-SU-2026:1169-1","SUSE-SU-2026:20222-1","openSUSE-SU-2025:15799-1","openSUSE-SU-2026:20151-1"],"database_specific":{"cwe_ids":["CWE-1325"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13945.json","cna_assigner":"GitLab"},"references":[{"type":"WEB","url":"https://www.wireshark.org/security/wnpa-sec-2025-07.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/13xxx/CVE-2025-13945.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-13945"},{"type":"REPORT","url":"https://gitlab.com/wireshark/wireshark/-/issues/20860"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"fixed":"24d5e2b5a3dcb12d282d891479c17826ae1ff927"}],"database_specific":{"versions":[{"introduced":"4.6.0"},{"fixed":"4.6.2"}]}}],"versions":["v4.6.0","v4.6.1","v4.6.1rc0","v4.6.2rc0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-13945.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.com/wireshark/wireshark","events":[{"introduced":"cdfb6721e77c19d43f4787f66e9d5f2525281a22"},{"fixed":"291c718be4fe6c1c9d261da6dedd514c8f611834"}],"database_specific":{"extracted_events":[{"introduced":"4.6.0"},{"fixed":"4.6.1"}],"source":"AFFECTED_FIELD"}}],"versions":["v4.6.0","v4.6.1rc0"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-13945.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"}]}