{"action":"Upgrade xen to 4.1.3-4 or later.","affected":[{"fixed":"4.1.3-4","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.1.3-4"],"id":"tcs_01M5NA4Z301MSAKS0S6635BHAP","modified_at":"2026-10-23T17:47:48.618733280Z","published_at":"2012-11-21T23:55:02.290Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2012-4539","https://security-tracker.debian.org/tracker/CVE-2012-4539"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2012-4539#Debian:14/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2012-4539"}],"summary":"Xen 4.0 through 4.2, when running 32-bit x86 PV guests on 64-bit hypervisors, allows local guest OS administrators to cause a denial of service (infinite loop and hang or crash) via invalid arguments"}