{"id":"RLSA-2025:10630","summary":"Important: libxml2 security update","details":"The libxml2 library is a development toolbox providing the implementation of various XML standards.\n\nSecurity Fix(es):\n\n* libxml: Heap use after free (UAF) leads to Denial of service (DoS) (CVE-2025-49794)\n\n* libxml: Null pointer dereference leads to Denial of service (DoS) (CVE-2025-49795)\n\n* libxml: Type confusion leads to Denial of service (DoS) (CVE-2025-49796)\n\n* libxml2: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2 (CVE-2025-6021)\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.","modified":"2025-10-08T17:12:45.155625Z","published":"2025-10-03T19:56:45.270310Z","upstream":["CVE-2025-49794","CVE-2025-49795","CVE-2025-49796","CVE-2025-6021"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2025:10630"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2372373"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2372379"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2372385"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2372406"}],"affected":[{"package":{"name":"libxml2","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/libxml2?distro=rocky-linux-10-0&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.12.5-7.el10_0"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2025:10630.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:N/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}