{"id":"JLSEC-2026-1240","details":"Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.","modified":"2026-08-10T02:00:04.259188425Z","published":"2026-08-10T01:45:29.909Z","upstream":["CVE-2026-6653"],"database_specific":{"license":"CC-BY-4.0","sources":[{"id":"CVE-2026-6653","imported":"2026-08-09T06:30:35.887Z","modified":"2026-07-14T16:00:16.047Z","published":"2026-06-22T14:17:51.113Z","url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-6653","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6653","database_specific":{"status":"Analyzed"}}]},"references":[{"type":"WEB","url":"https://bugs.launchpad.net/ubuntu/+source/libxml2/+bug/2141260"},{"type":"WEB","url":"https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1058"}],"affected":[{"package":{"name":"XML2_jll","ecosystem":"Julia","purl":"pkg:julia/XML2_jll?uuid=02c8fc9c-b97f-50b9-bbe4-9be30ff0a78a"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.11.5+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1240.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"NVD"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","source":"CNA"}]}