Top 50 Vendors By Total Number Of "Distinct" Vulnerabilities in 2005

	Vendor Name	Number of Vulnerabilities
1	Microsoft	164
2	Apple	147
3	Linux	132
4	Redhat	100
5	Mozilla	93
6	Gentoo	79
7	Suse	79
8	IBM	77
9	SUN	74
10	Oracle	74
11	Debian	65
12	Cisco	52
13	Ethereal Group	49
14	GNU	46
15	Ubuntu	44
16	Mandrakesoft	34
17	Novell	33
18	HP	33
19	BEA	32
20	Phpbb Group	32
21	Trustix	32
22	Broadcom	29
23	KDE	27
24	Opera	24
25	Apache	23
26	Php Arena	22
27	Squid	21
28	PHP	21
29	Phpmyadmin	21
30	SGI	21
31	Horde	20
32	Flatnuke	19
33	Conectiva	19
34	Symantec	19
35	Turbolinux	18
36	Invision Power Services	18
37	Easy Software Products	18
38	Francisco Burzi	18
39	Freebsd	17
40	Postnuke Software Foundation	17
41	Realnetworks	17
42	Mailenable	16
43	Php Fusion	16
44	Adobe	16
45	Mcafee	16
46	Macromedia	16
47	Mysql	16
48	Punbb	15
49	Rob Flynn	15
50	Clam Anti-virus	15