{"id":"ALSA-2020:4539","summary":"Moderate: pcre2 security and enhancement update","details":"The pcre2 package contains a new generation of the Perl Compatible Regular Expression libraries for implementing regular expression pattern matching using the same syntax and semantics as Perl. \n\nSecurity Fix(es):\n\n* pcre: Out of bounds read in JIT mode when \\X is used in non-UTF mode (CVE-2019-20454)\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 AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T02:35:49.952891Z","published":"2020-11-03T12:13:54Z","related":["CVE-2019-20454"],"references":[{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2020-4539.html"},{"type":"REPORT","url":"https://vulners.com/cve/CVE-2019-20454"}],"affected":[{"package":{"name":"pcre2","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/pcre2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32-2.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2020:4539.json"}},{"package":{"name":"pcre2-devel","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/pcre2-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32-2.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2020:4539.json"}},{"package":{"name":"pcre2-tools","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/pcre2-tools"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32-2.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2020:4539.json"}},{"package":{"name":"pcre2-utf16","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/pcre2-utf16"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32-2.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2020:4539.json"}},{"package":{"name":"pcre2-utf32","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/pcre2-utf32"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.32-2.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2020:4539.json"}}],"schema_version":"1.7.3"}