{"id":"RLSA-2021:4236","summary":"Low: tcpdump security and bug fix update","details":"The tcpdump packages contain the tcpdump utility for monitoring network traffic. The tcpdump utility can capture and display the packet headers on a particular network interface or on all interfaces.\n\nSecurity Fix(es):\n\n* tcpdump: ppp decapsulator can be convinced to allocate a large amount of memory (CVE-2020-8037)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.5 Release Notes linked from the References section.","modified":"2026-03-11T06:00:39.128314Z","published":"2021-11-09T08:48:42Z","upstream":["CVE-2020-8037"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4236"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1860216"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1895080"}],"affected":[{"package":{"name":"tcpdump","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/tcpdump?distro=rocky-linux-8-5-legacy&epoch=4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:4.9.3-2.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4236.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:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}