english deutsch
AIX
ftp://aix.boulder.ibm.com/aix/fixes/
Security and other patches for AIX. Note that this is an FTP site.
AIX Patches - Fixdist
ftp://aix.boulder.ibm.com/aix/tools/fixdist/
You need the "fixdist" program to install AIX patches.
Apache Web Server
http://www.apacheweek.com/security/
Advisories and patches.
Cisco
http://www.cisco.com/en/US/products/products_security_advisories_listing.html
Patches and advisories for Cisco products
Citrix
http://support.citrix.com/latestsecurityall!execute.jspa
Security bulletins and hotfixes for Citrix products
Compaq
http://www1.itrc.hp.com/service/home/compaqMain.do
Patches and advisories for most Compaq products.
Debian GNU/Linux
http://www.debian.org/security/
Security alerts and fixes.
Digital UNIX (Tru64)
http://h30097.www3.hp.com/unix/security-download.html
Security and other patches.
FreeBSD
http://www.freebsd.org/security/
Advisories, mailing lists, tips, tricks, guidelines, links.
FreeBSD Patches FTP Site
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/
Security advisories and patches.
HP Electronic Support Center
http://us-support.external.hp.com
Some patch-related information near the top.
HP-UX Patch Additional Information
ftp://us-ffs.external.hp.com/export/patches/
Patch Security Matrix, list of obsolete patches, patch checksums.
IRIX
http://www.sgi.com/support/security/patches.html
Patches available to all interested parties.
IRIX Patch Sets
http://support.sgi.com/colls/patches/tools/patchset/
Collections of patches that Silicon Graphics recommends. Generally includes all security patches as of the patchset release date.
IRIX Patches
http://support.sgi.com/colls/patches/tools/browse/
All patches; also the "replaced patches" cross-reference.
IRIX Security Advisories
http://www.sgi.com/support/security/advisories.html
All SGI IRIX advisories.
KDE
ftp://ftp.kde.org/pub/kde/security_patches/
Only if you've built KDE yourself; otherwise probably available from your linux distribution vendor's patches directory. Note this is an FTP site.
Macromedia
http://www.macromedia.com/devnet/security/security_zone/
Security bulletins and technical briefs that provide information to customers.
Microsoft
http://www.microsoft.com/downloads/search.aspx?displaylang=en&categoryid=7
Download security updates, service packs, and anti-spyware tools for Windows.
Microsoft Security
http://www.microsoft.com/security/
Microsoft-product-related security headlines and bulletins.
NetBSD
ftp://ftp.netbsd.org/pub/NetBSD/misc/security/patches/
Security patches for all releases. Note this is an FTP site.
NetBSD
http://www.netbsd.org/Security/index.html
Advisories, patches, links.
Netscape
http://wp.netscape.com/security/index.html
Security alerts for netscape client and server software.
OpenBSD Release Errata
http://www.openbsd.org/errata.html
Advisories and patches.
OpenBSD Security
http://www.openbsd.org/security.html
Advisories and information.
Oracle
http://otn.oracle.com/deploy/security/alerts.htm
Patches and other security information.
Red Hat Linux Errata
http://www.redhat.com/security/
Security advisories and updates (patches) for all supported versions.
Red Hat Linux Security Resource Center
http://www.redhat.com/security/resources/
Alerts, whitepapers, articles, presentations, and tools.
SCO
http://www.sco.com/support/security/
Security information for Caldera OpenLinux, OpenServer, OpenUnix, and UnixWare.
SCO Unix System Security Enhancement Area
ftp://ftp.sco.com/pub/security/sse/
Advisories and patches. Note this is an FTP site.
Sun Microsystems
http://sunsolve.sun.com/pub-cgi/show.pl?target=patches/patch-access
Security and recommended patches for Solaris: patch clusters and individual patches.
SuSE Linux
http://www.suse.de/en/support/download/updates/
Patches directories for all supported versions, plus a security announcements list (English).