{"id":"RLSA-2021:4235","summary":"Moderate: jasper security update","details":"JasPer is an implementation of Part 1 of the JPEG 2000 image compression standard.\n\nSecurity Fix(es):\n\n* jasper: Heap-based buffer overflow in cp_create() in jpc_enc.c (CVE-2020-27828)\n\n* jasper: Heap-based buffer over-read in jp2_decode() in jp2_dec.c (CVE-2021-3272)\n\n* jasper: Out of bounds read in jp2_decode() in jp2_dec.c (CVE-2021-26926)\n\n* jasper: NULL pointer dereference in jp2_decode() in jp2_dec.c (CVE-2021-26927)\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":"2026-03-11T06:00:38.431932Z","published":"2021-11-09T08:48:32Z","upstream":["CVE-2020-27828","CVE-2021-26926","CVE-2021-26927","CVE-2021-3272"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:4235"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1905201"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921325"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921426"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921428"}],"affected":[{"package":{"name":"jasper","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/jasper?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.0.14-5.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:4235.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}