{"id":"CVE-2026-0990","summary":"Libxml2: libxml2: denial of service via uncontrolled recursion in xml catalog processing","details":"A flaw was found in libxml2, an XML parsing library. This uncontrolled recursion vulnerability occurs in the xmlCatalogXMLResolveURI function when an XML catalog contains a delegate URI entry that references itself. A remote attacker could exploit this configuration-dependent issue by providing a specially crafted XML catalog, leading to infinite recursion and call stack exhaustion. This ultimately results in a segmentation fault, causing a Denial of Service (DoS) by crashing affected applications.","modified":"2026-07-08T08:12:22.222033822Z","published":"2026-01-15T14:20:06.515Z","related":["SUSE-SU-2026:0568-1","SUSE-SU-2026:0570-1","SUSE-SU-2026:0605-1","SUSE-SU-2026:0606-1","SUSE-SU-2026:0782-1","SUSE-SU-2026:20631-1","SUSE-SU-2026:20647-1","SUSE-SU-2026:20657-1","SUSE-SU-2026:20707-1","openSUSE-SU-2026:10213-1","openSUSE-SU-2026:20312-1"],"database_specific":{"cna_assigner":"redhat","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0990.json","cwe_ids":["CWE-674"]},"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://access.redhat.com/jbossnetwork/restricted/listSoftware.html"},{"type":"WEB","url":"https://catalog.redhat.com/software/containers/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:7519"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-0990"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0990.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0990"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2429959"},{"type":"REPORT","url":"https://gitlab.gnome.org/GNOME/libxml2/-/issues/1018"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/gnome/libxml2","events":[{"introduced":"0"},{"fixed":"3d840e17858de03a09fba8b202e3a89267d5795a"}],"database_specific":{"source":"CPE_RANGE","extracted_events":[{"introduced":"0"},{"fixed":"2.15.2"}],"cpe":"cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*"}}],"versions":["v2.15.1","v2.15.0","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.13","v2.9.12","v2.9.11","CVE-2021-3541","v2.9.10","v2.9.10-rc1","v2.9.9","v2.9.9-rc2","v2.9.9-rc1","v2.9.8","v2.9.8-rc1","v2.9.7","v2.9.7-rc1","v2.9.6","v2.9.6-rc1","v2.9.5","v2.9.5-rc2","v2.9.5-rc1","v2.9.4","CVE-2016-3627","CVE-2016-1833","CVE-2016-1835","CVE-2016-1837","CVE-2016-1836","CVE-2016-1839","CVE-2016-1838","CVE-2016-1840","CVE-2016-4449","CVE-2016-4483","CVE-2016-1834","CVE-2016-3705","v2.9.4-rc2","v2.9.4-rc1","CVE-2016-1762","v2.9.3","CVE-2015-8242","CVE-2015-7500","CVE-2015-7499-2","CVE-2015-7499-1","CVE-2015-5312","CVE-2015-7497","CVE-2015-7498","CVE-2015-8035","CVE-2015-7942-2","CVE-2015-7942","CVE-2015-8317","CVE-2015-1819","CVE-2015-7941_2","CVE-2015-7941_1","v2.9.2","CVE-2014-3660","v2.9.2-rc2","v2.9.2-rc1","CVE-2014-0191","v2.9.1","CVE-2013-2877","v2.9.0","v2.9.0-rc2","v2.8.0","v2.8.0-rc2","v2.8.0-rc1","v2.7.8","v2.7.7","v2.7.6","v2.7.5","v2.7.4","LIBXML2.7.3","LIBXML2.7.2","LIBXML2.7.1","LIBXML2.7.0","LIBXML2.6.32","LIBXML2_2_6_28","LIBXML2_2_6_27","LIBXML2_2_6_26","LIBXML2_2_6_24","LIBXML2_2_6_23","LIBXML2_2_6_22","LIBXML2_2_6_21","LIBXML2_2_6_20","LIBXML2_2_6_19","LIBXML2_2_6_18","LIBXML2_2_6_16","LIBXML2_2_6_15","LIBXML2_2_6_14","LIBXML2_2_6_13","LIBXML2_2_6_12","LIBXML2_2_6_11","LIBXML_2_6_10","LIBXML2_2_6_9","LIBXML2_2_6_8","LIBXML2_2_6_7","LIBXML2_2_6_6","LIBXML2_2_6_5","LIBXML2_2_6_4","LIBXML2_2_6_3","LIBXML2_2_6_2","LIBXML2_2_6_1","LIBXML2_6_0","LIBXML2_2_5_x","LIBXML2_2_5_10","LIBXML2_2_5_9","LIBXML2_2_5_8","LIBXML2_2_5_7","LIBXML_2_5_6","LIBXML_2_5_5","LIBXML_2_5_4","LIBXML_2_5_3","LIBXML_2_5_2","LIBXML_2_5_1","LIBXML2_2_5_0","LIBXML_2_4_30","LIBXML_2_4_29","LIBXML_2_4_27","LIBXML_2_4_26","LIBXML_2_4_25","LIBXML_2_4_24","LIBXML_2_4_23","LIBXML_2_4_22","LIBXML2_2_4_21","LIBXML_2_4_20","LIBXML_2_4_18","LIBXML_2_4_13","LIBXML_2_4_16","LIBXML_2_4_14","LIBXML_2_4_12","LIBXML_2_4_11","LIBXML_2_4_7","LIBXML_2_4_6","LIBXML_2_4_4","LIBXML_2_4_3","LIBXML_2_4_2","LIBXML_2_4_0","LIBXML_2_3_14","LIBXML_2_3_13","LIBXML_2_3_12","LIBXML_2_3_11","LIBXML_2_3_10","LIBXML_2_3_9","LIBXML_2_3_8","help","LIBXML_2_3_7","LIBXML_2_3_6","LIBXML_2_3_5","LIBXML_2_3_4","LIBXML_2_3_3","LIBXML_2_3_2","PRE_MUCKUP3","PRE_MUCKUP2","PRE_MUCKUP","LIBXML_2_3_0","LIBXML_2_2_8","LIBXML_2_2_7","LIBXML_2_2_6","LIBXML_2_2_4","GNOME_PRINT_0_24","LIBXML_2_2_3","LIBXML_2_2_1","LIBXML_2_1_1","LIBXML_2_1_0","LIB_XML_1_X","EAZEL-NAUTILUS-MS-AUG07","LIBXML_2_0_0","LIBXML_TEST_2_0_0","LIBXML_1_8_6","LIBXML_1_8_5","LIB_XML_1_8_3","LIB_XML_1_7_3","LIB_XML_1_7_1","LIB_XML_1_7_0","LIB_XML_1_6_2","LIB_XML_1_6_1","LIBXML_1_5_0","LIB_XML_1_4","LIB_XML_1_3","LIB_XML_1_1","FOR_GNOME_0_99_1","LIBXML_0_99","GNUMERIC_FIRST_PUBLIC_RELEASE","GNOME_0_30"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0990.json"}},{"ranges":[{"type":"GIT","repo":"https://gitlab.gnome.org/gnome/libxml2","events":[{"introduced":"0"},{"fixed":"3d840e17858de03a09fba8b202e3a89267d5795a"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.15.2"}],"source":"CPE_RANGE","cpe":"cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*"}}],"versions":["v2.15.1","v2.15.0","v2.14.0","v2.13.0","v2.12.0","v2.11.0","v2.10.0","v2.9.13","v2.9.12","v2.9.11","CVE-2021-3541","v2.9.10","v2.9.10-rc1","v2.9.9","v2.9.9-rc2","v2.9.9-rc1","v2.9.8","v2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