{"id":"CVE-2007-4730","aliases":["DEBIAN-CVE-2007-4730","DSA-1372-1","DTSA-73-1","EUVD-2007-4711","GHSA-737c-wj7m-pqqr","RHSA-2007:0898"],"status":"published","title":"Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X...","description":"Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.","severity":{"version":"2.0","score":4.3,"vector":"AV:L/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00511,"percentile":0.43881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2007-09-09T00:00:00Z","modified":"2026-10-21T17:47:35Z","fixes":[{"ecosystem":"Debian:12","package":"xorg-server","fixed_in":["2:1.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"xorg-server","fixed_in":["2:1.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"xorg-server","fixed_in":["2:1.4-1"],"sources":["osv"]},{"ecosystem":"Debian:4.0","package":"xorg-server","fixed_in":["2:1.1.1-21etch1"],"sources":["osv"]},{"ecosystem":"Debian:5.0","package":"xorg-server","fixed_in":["2:1.3.0.0.dfsg-12lenny1"],"sources":["osv"]},{"ecosystem":"Red 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