{"affected":[{"affectedData":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"source":"cve@mitre.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*","matchCriteriaId":"C26FBC73-EA2B-4DA4-915B-CCAC8DCB9E55","versionEndIncluding":"12.2","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","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."},{"lang":"es","value":"En Libav hasta la versión 12.2, hay una llamada memcpy no válida en la función av_packet_ref de libavcodec/avpacket.c. Los atacantes remotos pueden aprovechar esta vulnerabilidad para provocar una denegación de servicio (fallo de segmentación) mediante un archivo avi manipulado."}],"id":"CVE-2018-5766","lastModified":"2026-06-17T02:00:44.860","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":6.8,"confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","vectorString":"AV:N/AC:M/Au:N/C:P/I:P/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":6.4,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.0"},"exploitabilityScore":2.8,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2018-01-18T07:29:00.233","references":[{"source":"cve@mitre.org","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/102793"},{"source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.libav.org/show_bug.cgi?id=1112"},{"source":"cve@mitre.org","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory","VDB Entry"],"url":"http://www.securityfocus.com/bid/102793"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"],"url":"https://bugzilla.libav.org/show_bug.cgi?id=1112"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html"}],"sourceIdentifier":"cve@mitre.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-119"}],"source":"nvd@nist.gov","type":"Primary"}]}