{"id":"RLSA-2020:4629","summary":"Moderate: libvpx security update","details":"The libvpx packages provide the VP8 SDK, which allows the encoding and decoding of the VP8 video codec, commonly used with the WebM multimedia container file format.\n\nSecurity Fix(es):\n\n* libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc (CVE-2019-2126)\n\n* libvpx: Out of bounds read in vp8_norm table (CVE-2019-9232)\n\n* libvpx: Resource exhaustion after memory leak in mkvparser.cc (CVE-2019-9371)\n\n* libvpx: Use-after-free in vp8_deblock() in vp8/common/postproc.c (CVE-2019-9433)\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 8.3 Release Notes linked from the References section.","modified":"2026-02-05T10:15:04.218709Z","published":"2020-11-03T12:21:50Z","upstream":["CVE-2019-2126","CVE-2019-9232","CVE-2019-9371","CVE-2019-9433"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2020:4629"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1788966"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1788994"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1789004"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1789008"}],"affected":[{"package":{"name":"libvpx","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libvpx?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.7.0-8.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2020:4629.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}