{"id":"RLSA-2021:1678","summary":"Moderate: perl security and bug fix update","details":"Perl is a high-level programming language that is commonly used for system administration utilities and web programming.\n\nSecurity Fix(es):\n\n* perl: heap-based buffer overflow in regular expression compiler leads to DoS (CVE-2020-10543)\n\n* perl: corruption of intermediate language state of compiled regular expression due to integer overflow leads to DoS (CVE-2020-10878)\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 8.4 Release Notes linked from the References section.","modified":"2026-02-05T13:45:14.367649Z","published":"2021-05-18T05:49:06Z","upstream":["CVE-2020-10543","CVE-2020-10878"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:1678"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1807120"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1837975"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1837988"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1903503"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1913693"}],"affected":[{"package":{"name":"perl","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/perl?distro=rocky-linux-8-4-legacy&epoch=4"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:5.26.3-419.el8"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:1678.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}