{"id":"CVE-2005-4470","aliases":["DEBIAN-CVE-2005-4470","DSA-1039-1","DTSA-29-1","EUVD-2005-4465","GHSA-x3p7-g646-9j92"],"status":"published","title":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0...","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.","severity":{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05787,"percentile":0.93155,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2005-12-22T00:00:00Z","modified":"2026-11-08T17:00:02Z","fixes":[{"ecosystem":"Debian:12","package":"blender","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"blender","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"blender","fixed_in":["2.40-1"],"sources":["osv"]},{"ecosystem":"Debian:4.0","package":"blender","fixed_in":["2.37a-1.1etch1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.40-1"}]}]},{"source":"osv","ecosystem":"Debian:3.1","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.36-1sarge1"}]}],"versions":["2.36-1"],"bundled":2},{"source":"osv","ecosystem":"Debian:4.0","package":"blender","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.37a-1.1etch1"}]}]}],"products":[{"vendor":"blender","product":"blenloader"}],"references":[{"url":"http://secunia.com/advisories/18178","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/archive/1/419907/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://secunia.com/advisories/19754","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.debian.org/security/2006/dsa-1039","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2005/3032","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.overflow.pl/adv/blenderinteger.txt","tags":["x_refsource_MISC","x_transferred","Exploit","evidence"]},{"url":"http://www.gentoo.org/security/en/glsa/glsa-200601-08.xml","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","web"]},{"url":"http://secunia.com/advisories/18176","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"http://www.securityfocus.com/bid/15981","tags":["vdb-entry","x_refsource_BID","x_transferred","Exploit","evidence"]},{"url":"https://usn.ubuntu.com/238-2/","tags":["vendor-advisory","x_refsource_UBUNTU","x_transferred","web"]},{"url":"http://secunia.com/advisories/18452","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2005-4470"},{"url":"https://usn.ubuntu.com/238-2"},{"url":"https://github.com/advisories/GHSA-x3p7-g646-9j92"},{"url":"https://security-tracker.debian.org/tracker/CVE-2005-4470","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2005-4470","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.","status":"published","published":"2005-12-22T00:00:00Z","modified":"2024-08-07T23:46:05.537Z","updated_at":"2026-11-02T14:33:39.259087Z"}],"euvd":[{"id":"EUVD-2005-4465","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.","status":"published","published":"2005-12-22T00:00:00Z","modified":"2024-08-07T23:46:05Z","updated_at":"2026-11-03T01:15:22.378531Z"}],"ghsa":[{"id":"GHSA-x3p7-g646-9j92","title":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0...","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre 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overflow.","status":"published","published":"2005-12-22T00:03:00Z","modified":"2026-06-16T22:18:51.53Z","cvss":[{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:00:58.826417Z"}],"osv":[{"id":"CVE-2005-4470","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.","status":"published","published":"2005-12-22T00:03:00Z","modified":"2026-04-10T03:38:15.875712Z","updated_at":"2026-11-02T15:43:56.581247Z"},{"id":"DEBIAN-CVE-2005-4470","description":"Heap-based buffer overflow in the get_bhead function in readfile.c in Blender BlenLoader 2.0 through 2.40pre allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a .blend file with a negative bhead.len value, which causes less memory to be allocated than expected, possibly due to an integer overflow.","status":"published","published":"2005-12-22T00:03:00Z","modified":"2026-11-08T17:00:02.946552168Z","updated_at":"2026-11-08T17:07:41.883129Z"},{"id":"DSA-1039-1","title":"blender - several","status":"published","published":"2006-04-24T00:00:00Z","modified":"2026-03-09T01:01:53.40625Z","updated_at":"2026-11-02T15:46:14.285228Z"},{"id":"DTSA-29-1","title":"blender - heap-based buffer overflow","status":"published","published":"2006-06-15T00:00:00Z","modified":"2026-03-09T01:01:52.71897Z","updated_at":"2026-11-02T15:46:18.716547Z"}]}}