{"id":"CVE-2020-12740","details":"tcprewrite in Tcpreplay through 4.3.2 has a heap-based buffer over-read during a get_c operation. The issue is being triggered in the function get_ipv6_next() at common/get.c.","modified":"2026-04-16T00:11:06.455185244Z","published":"2020-05-08T18:15:10.457Z","database_specific":{"unresolved_ranges":[{"extracted_events":[{"last_affected":"31"}],"source":"CPE_FIELD","cpe":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*"},{"source":"CPE_FIELD","extracted_events":[{"last_affected":"32"}],"cpe":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4YAT4AGTHQKB74ETOQPJMV67TSDIAPOC/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UOSEIQ3D2OONCJEVMGC2TYBC2QX4E5EJ/"},{"type":"REPORT","url":"https://github.com/appneta/tcpreplay/issues/576"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/appneta/tcpreplay","events":[{"introduced":"0"},{"last_affected":"46a866429f406473eabf06d16fe27b4c61eea86d"}],"database_specific":{"source":"CPE_FIELD","extracted_events":[{"introduced":"0"},{"last_affected":"4.3.2"}],"cpe":"cpe:2.3:a:broadcom:tcpreplay:*:*:*:*:*:*:*:*"}}],"versions":["v3.4.2","v3.4.3","v3.4.4","v4.0.0","v4.0.0beta1","v4.0.0beta2","v4.0.1","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.0.5beta1","v4.0.5beta2","v4.0.5beta3","v4.1.0","v4.1.0beta1","v4.1.0beta2","v4.1.1","v4.1.1-beta2","v4.1.1-beta3","v4.1.2","v4.2.6","v4.3.2"],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12740.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"}]}