{"api_version":"1","generated_at":"2026-07-23T11:35:34+00:00","cve":"CVE-2018-5766","urls":{"html":"https://cve.report/CVE-2018-5766","api":"https://cve.report/api/cve/CVE-2018-5766.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2018-5766","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-5766"},"summary":{"title":"CVE-2018-5766","description":"In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2018-01-18 07:29:00","updated_at":"2019-09-02 11:15:00"},"problem_types":["CWE-119"],"metrics":[],"references":[{"url":"http://www.securityfocus.com/bid/102793","name":"102793","refsource":"BID","tags":["Third Party Advisory","VDB Entry"],"title":"Libav CVE-2018-5766 Denial of Service Vulnerability","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://bugzilla.libav.org/show_bug.cgi?id=1112","name":"https://bugzilla.libav.org/show_bug.cgi?id=1112","refsource":"MISC","tags":["Exploit","Issue Tracking","Third Party Advisory"],"title":"Bug 1112 – invalid memcpy in av_packet_ref (libavcodec/avpacket.c)","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html","name":"[debian-lts-announce] 20190902 [SECURITY] [DLA 1907-1] libav security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 1907-1] libav security update","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-5766","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-5766","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2018","cve_id":"5766","vulnerable":"1","versionEndIncluding":"12.2","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"libav","cpe5":"libav","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2018-5766","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://bugzilla.libav.org/show_bug.cgi?id=1112","refsource":"MISC","url":"https://bugzilla.libav.org/show_bug.cgi?id=1112"},{"name":"102793","refsource":"BID","url":"http://www.securityfocus.com/bid/102793"},{"refsource":"MLIST","name":"[debian-lts-announce] 20190902 [SECURITY] [DLA 1907-1] libav security update","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html"}]}},"nvd":{"publishedDate":"2018-01-18 07:29:00","lastModifiedDate":"2019-09-02 11:15:00","problem_types":["CWE-119"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":6.8},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*","versionEndIncluding":"12.2","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2018","CveId":"5766","Ordinal":"121764","Title":"CVE-2018-5766","CVE":"CVE-2018-5766","Year":"2018"},"notes":[{"CveYear":"2018","CveId":"5766","Ordinal":"1","NoteData":"In Libav through 12.2, there is an invalid memcpy in the av_packet_ref function of libavcodec/avpacket.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted avi file.","Type":"Description","Title":null},{"CveYear":"2018","CveId":"5766","Ordinal":"2","NoteData":"2018-01-18","Type":"Other","Title":"Published"},{"CveYear":"2018","CveId":"5766","Ordinal":"3","NoteData":"2019-09-02","Type":"Other","Title":"Modified"}]}}}