{"action":"Upgrade libx11 to 2:1.6.0-1 or later.","affected":[{"fixed":"2:1.6.0-1","introduced":"0"}],"component":"libx11","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2:1.6.0-1"],"id":"tcs_01M5NAMZ6PSC3ENYWBXAGE3JVV","modified_at":"2026-09-01T20:03:19.398627211Z","published_at":"2015-04-16T14:59:00.070Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-7439","https://security-tracker.debian.org/tracker/CVE-2013-7439"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-7439","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-7439"}],"summary":"Multiple off-by-one errors in the (1) MakeBigReq and (2) SetReqLen macros in include/X11/Xlibint.h in X11R6.x and libX11 before 1.6.0 allow remote attackers to have unspecified impact via a crafted re"}