LTS Security Information

Keeping your Debian LTS system secure

The package unattended-upgrades keeps the computer current with the latest security (and other) updates automatically. The wiki has detailed information about how to set up the package.

For more information about security issues in Debian, please refer to the Debian Security Information.

Recent Advisories

These are the recent Debian LTS Advisory (DLA) posted to the debian-lts-announce list.

[24 Oct 2024] T  DLA-3935-1 distro-info-data security update
[22 Oct 2024] T  DLA-3934-1 libheif security update
[22 Oct 2024] T  DLA-3933-1 dmitry security update
[22 Oct 2024] T  DLA-3932-1 python-sql security update
[22 Oct 2024] T  DLA-3931-1 ghostscript security update
[22 Oct 2024] T  DLA-3930-1 libsepol security update
[21 Oct 2024] T  DLA-3929-1 openjdk-11 security update
[21 Oct 2024] T  DLA-3928-1 ffmpeg security update
[21 Oct 2024] T  DLA-3927-1 openjdk-17 security update
[21 Oct 2024] T  DLA-3926-1 perl security update
[20 Oct 2024] T  DLA-3925-1 asterisk security update
[19 Oct 2024] T  DLA-3924-1 php-horde-mime-viewer security update
[19 Oct 2024] T  DLA-3923-1 php-horde-turba security update
[17 Oct 2024] T  DLA-3922-1 python-cryptography security update
[16 Oct 2024] T  DLA-3921-1 apache2 regression update
[14 Oct 2024] T  DLA-3920-1 php7.4 security update
[14 Oct 2024] T  DLA-3919-1 libapache-mod-jk security update
[13 Oct 2024] T  DLA-3918-1 docker.io security update
[13 Oct 2024] T  DLA-3917-1 python-reportlab security update
[12 Oct 2024] T  DLA-3916-1 thunderbird security update
[12 Oct 2024] T  DLA-3915-1 libreoffice security update
[10 Oct 2024] T  DLA-3914-1 firefox-esr security update
[08 Oct 2024] T  DLA-3913-1 firefox-esr security update
[07 Oct 2024] T  DLA-3912-1 linux security update
[07 Oct 2024] T  DLA-3911-1 libgsf security update
[04 Oct 2024] T  DLA-3910-1 e2fsprogs security update
[03 Oct 2024] T  DLA-3909-1 zabbix security update
[30 Sep 2024] T  DLA-3908-1 debian-security-support update
[30 Sep 2024] T  DLA-3907-1 sqlite3 security update
[30 Sep 2024] T  DLA-3906-1 wireshark security update
[29 Sep 2024] T  DLA-3905-1 cups-filters security update
[29 Sep 2024] T  DLA-3904-1 cups security update
[29 Sep 2024] T  DLA-3903-1 unbound security update
[28 Sep 2024] T  DLA-3902-1 ruby-rails-html-sanitizer security update
[28 Sep 2024] T  DLA-3901-1 ruby-loofah security update
[28 Sep 2024] T  DLA-3900-1 ruby-httparty security update
[27 Sep 2024] T  DLA-3899-1 python-asyncssh security update
[27 Sep 2024] T  DLA-3898-1 nghttp2 security update
[27 Sep 2024] T  DLA-3897-1 trafficserver security update
[26 Sep 2024] T  DLA-3896-1 mediawiki security update
[25 Sep 2024] T  DLA-3895-1 puredata security update
[24 Sep 2024] T  DLA-3894-1 booth security update
[19 Sep 2024] T  DLA-3893-1 expat security update
[18 Sep 2024] T  DLA-3892-1 tinyproxy security update
[18 Sep 2024] T  DLA-3891-1 mariadb-10.5 security update
[17 Sep 2024] T  DLA-3890-1 galera-4 new upstream version
[16 Sep 2024] T  DLA-3889-1 pymongo security update
[16 Sep 2024] T  DLA-3888-1 php-twig security update
[14 Sep 2024] T  DLA-3887-1 ring security update
[14 Sep 2024] T  DLA-3886-1 nodejs security update
[10 Sep 2024] T  DLA-3885-1 redis security update
[09 Sep 2024] T  DLA-3884-1 cacti security update
[09 Sep 2024] T  DLA-3883-1 python-jwcrypto security update
[09 Sep 2024] T  DLA-3882-1 thunderbird security update
[07 Sep 2024] T  DLA-3881-1 aom security update
[07 Sep 2024] T  DLA-3880-1 amanda security update
[07 Sep 2024] T  DLA-3879-1 bluez security update
[05 Sep 2024] T  DLA-3878-1 libxml2 security update
[05 Sep 2024] T  DLA-3877-1 ruby-sinatra security update
[05 Sep 2024] T  DLA-3876-1 setuptools security update
[05 Sep 2024] T  DLA-3875-1 gnutls28 security update
[05 Sep 2024] T  DLA-3874-1 nsis security update
[05 Sep 2024] T  DLA-3873-1 nova security update
[05 Sep 2024] T  DLA-3872-1 glance security update
[05 Sep 2024] T  DLA-3871-1 cinder security update
[05 Sep 2024] T  DLA-3870-1 python-oslo.utils security update
[04 Sep 2024] T  DLA-3869-1 firefox-esr security update
[03 Sep 2024] T  DLA-3868-1 ruby-nokogiri security update
[03 Sep 2024] T  DLA-3867-1 git security update
[03 Sep 2024] T  DLA-3866-1 ruby-tzinfo security update
[03 Sep 2024] T  DLA-3865-1 frr security update
[02 Sep 2024] T  DLA-3864-1 webkit2gtk security update
[02 Sep 2024] T  DLA-3863-1 nbconvert security update
[02 Sep 2024] T  DLA-3862-1 calibre security update
[02 Sep 2024] T  DLA-3861-1 exfatprogs security update
[02 Sep 2024] T  DLA-3860-1 dovecot security update
[02 Sep 2024] T  DLA-3859-1 systemd security update
[02 Sep 2024] T  DLA-3858-1 ruby2.7 security update
[26 Aug 2024] T  DLA-3857-1 libtommath security update
[26 Aug 2024] T  DLA-3856-1 python-html-sanitizer security update
[01 Jul 2024] T  DLA-3855-1 pdns-recursor security update
[30 Jun 2024] T  DLA-3854-1 tryton-client security update
[30 Jun 2024] T  DLA-3853-1 tryton-server security update
[30 Jun 2024] T  DLA-3852-1 edk2 security update
[30 Jun 2024] T  DLA-3851-1 gunicorn security update
[30 Jun 2024] T  DLA-3850-1 glibc security update
[29 Jun 2024] T  DLA-3849-1 emacs security update
[29 Jun 2024] T  DLA-3848-1 org-mode security update
[28 Jun 2024] T  DLA-3847-1 dcmtk security update
[27 Jun 2024] T  DLA-3846-1 libmojolicious-perl security update
[27 Jun 2024] T  DLA-3845-1 dlt-daemon security update
[26 Jun 2024] T  DLA-3844-1 git security update
[25 Jun 2024] T  DLA-3843-1 linux-5.10 security update
[25 Jun 2024] T  DLA-3842-1 linux-5.10 security update
[25 Jun 2024] T  DLA-3841-1 linux-5.10 security update
[25 Jun 2024] T  DLA-3840-1 linux security update
[20 Jun 2024] T  DLA-3839-1 putty security update
[20 Jun 2024] T  DLA-3829-2 sendmail regression update
[19 Jun 2024] T  DLA-3838-1 composer security update
[19 Jun 2024] T  DLA-3837-1 libndp security update
[19 Jun 2024] T  DLA-3836-1 thunderbird security update
[17 Jun 2024] T  DLA-3835-1 roundcube security update
[17 Jun 2024] T  DLA-3834-1 netty security update
[17 Jun 2024] T  DLA-3833-1 php7.3 security update
[17 Jun 2024] T  DLA-3832-1 pymongo security update
[17 Jun 2024] T  DLA-3831-1 nano security update
[16 Jun 2024] T  DLA-3830-1 libvpx security update
[15 Jun 2024] T  DLA-3829-1 sendmail security update
[14 Jun 2024] T  DLA-3828-1 atril security update
[14 Jun 2024] T  DLA-3827-1 plasma-workspace security update
[13 Jun 2024] T  DLA-3826-1 cups security update
[13 Jun 2024] T  DLA-3825-1 firefox-esr security update
[30 May 2024] T  DLA-3824-1 gst-plugins-base1.0 security update
[27 May 2024] T  DLA-3823-1 less security update
[27 May 2024] T  DLA-3822-1 python-pymysql security update
[26 May 2024] T  DLA-3821-1 libreoffice security update
[25 May 2024] T  DLA-3820-1 bluez security update
[25 May 2024] T  DLA-3819-1 fossil security update
[24 May 2024] T  DLA-3818-1 apache2 security update
[20 May 2024] T  DLA-3817-1 thunderbird security update
[17 May 2024] T  DLA-3816-1 bind9 security update
[16 May 2024] T  DLA-3815-1 firefox-esr security update
[13 May 2024] T  DLA-3814-1 glib2.0 security update
[13 May 2024] T  DLA-3813-1 shim security update
[09 May 2024] T  DLA-3812-1 libpgjava security update
[08 May 2024] T  DLA-3811-1 python-idna security update
[07 May 2024] T  DLA-3810-1 php7.3 security update
[05 May 2024] T  DLA-3809-1 libkf5ksieve security update
[04 May 2024] T  DLA-3808-1 intel-microcode security update
[04 May 2024] T  DLA-3807-1 glibc security update
[01 May 2024] T  DLA-3806-1 distro-info-data database update
[01 May 2024] T  DLA-3805-1 qtbase-opensource-src security update
[30 Apr 2024] T  DLA-3804-1 nghttp2 security update
[30 Apr 2024] T  DLA-3803-1 astropy security update
[30 Apr 2024] T  DLA-3802-1 org-mode security update
[29 Apr 2024] T  DLA-3801-1 emacs security update
[29 Apr 2024] T  DLA-3800-1 ruby-rack security update
[28 Apr 2024] T  DLA-3799-1 trafficserver security update
[28 Apr 2024] T  DLA-3798-1 zabbix security update
[28 Apr 2024] T  DLA-3797-1 frr security update
[27 Apr 2024] T  DLA-3796-1 mediawiki security update
[26 Apr 2024] T  DLA-3795-1 knot-resolver security update
[25 Apr 2024] T  DLA-3794-1 putty security update
[22 Apr 2024] T  DLA-3793-1 openjdk-11 security update
[22 Apr 2024] T  DLA-3792-1 samba security update
[22 Apr 2024] T  DLA-3791-1 thunderbird security update
[19 Apr 2024] T  DLA-3790-1 firefox-esr security update
[18 Apr 2024] T  DLA-3789-1 libdatetime-timezone-perl security update
[18 Apr 2024] T  DLA-3788-1 tzdata new timezone database
[15 Apr 2024] T  DLA-3787-1 xorg-server security update
[10 Apr 2024] T  DLA-3786-1 pillow security update
[09 Apr 2024] T  DLA-3785-1 gtkwave security update
[07 Apr 2024] T  DLA-3784-1 libcaca security update
[07 Apr 2024] T  DLA-3783-1 expat security update
[07 Apr 2024] T  DLA-3782-1 util-linux security update
[07 Apr 2024] T  DLA-3781-1 libgd2 security update
[06 Apr 2024] T  DLA-3780-1 jetty9 security update
[06 Apr 2024] T  DLA-3779-1 tomcat9 security update
[01 Apr 2024] T  DLA-3778-1 libvirt security update
[27 Mar 2024] T  DLA-3777-1 composer security update
[26 Mar 2024] T  DLA-3776-1 nodejs security update
[25 Mar 2024] T  DLA-3775-1 firefox-esr security update
[25 Mar 2024] T  DLA-3774-1 gross security update
[25 Mar 2024] T  DLA-3773-1 freeipa security update
[24 Mar 2024] T  DLA-3772-1 python3.7 security update
[24 Mar 2024] T  DLA-3771-1 python2.7 security update
[23 Mar 2024] T  DLA-3770-1 libnet-cidr-lite-perl security update
[23 Mar 2024] T  DLA-3769-1 thunderbird security update
[22 Mar 2024] T  DLA-3768-1 pillow security update
[20 Mar 2024] T  DLA-3767-1 imagemagick security update
[19 Mar 2024] T  DLA-3766-1 zfs-linux security update
[18 Mar 2024] T  DLA-3765-1 cacti security update
[18 Mar 2024] T  DLA-3764-1 postgresql-11 security update
[17 Mar 2024] T  DLA-3763-1 curl security update
[15 Mar 2024] T  DLA-3762-1 unadf security update
[15 Mar 2024] T  DLA-3761-1 spip security update
[14 Mar 2024] T  DLA-3760-1 node-xml2js security update
[11 Mar 2024] T  DLA-3759-1 qemu security update
[11 Mar 2024] T  DLA-3758-1 tiff security update
[10 Mar 2024] T  DLA-3757-1 nss security update
[10 Mar 2024] T  DLA-3756-1 wordpress security update
[09 Mar 2024] T  DLA-3755-1 tar security update
[08 Mar 2024] T  DLA-3754-1 fontforge security update
[06 Mar 2024] T  DLA-3753-1 yard security update
[05 Mar 2024] T  DLA-3752-1 libuv1 security update
[05 Mar 2024] T  DLA-3751-1 libapache2-mod-auth-openidc security update
[05 Mar 2024] T  DLA-3750-1 php-phpseclib security update
[05 Mar 2024] T  DLA-3749-1 phpseclib security update
[04 Mar 2024] T  DLA-3748-1 thunderbird security update
[04 Mar 2024] T  DLA-3747-1 firefox-esr security update
[29 Feb 2024] T  DLA-3746-1 wireshark security update
[29 Feb 2024] T  DLA-3745-1 gsoap security update
[29 Feb 2024] T  DLA-3744-1 python-django security update
[27 Feb 2024] T  DLA-3743-1 wpa security update
[27 Feb 2024] T  DLA-3742-1 libgit2 security update
[26 Feb 2024] T  DLA-3741-1 engrampa security update
[26 Feb 2024] T  DLA-3740-1 gnutls28 security update
[24 Feb 2024] T  DLA-3739-1 libjwt security update
[22 Feb 2024] T  DLA-3738-1 iwd security update
[22 Feb 2024] T  DLA-3737-1 imagemagick security update
[21 Feb 2024] T  DLA-3736-1 unbound security update
[19 Feb 2024] T  DLA-3735-1 runc security update
[17 Feb 2024] T  DLA-3734-1 openvswitch security update
[03 Feb 2024] T  DLA-3733-1 rear security update
[03 Feb 2024] T  DLA-3732-1 sudo security update
[01 Feb 2024] T  DLA-3731-1 man-db sandboxing fixes
[01 Feb 2024] T  DLA-3730-1 python-asyncssh security update
[31 Jan 2024] T  DLA-3729-1 debian-security-support security update
[31 Jan 2024] T  DLA-3728-1 openjdk-11 security update
[31 Jan 2024] T  DLA-3727-1 firefox-esr security update
[30 Jan 2024] T  DLA-3726-1 bind9 security update
[30 Jan 2024] T  DLA-3725-1 postfix security update
[29 Jan 2024] T  DLA-3724-1 pillow security update
[27 Jan 2024] T  DLA-3723-1 libspreadsheet-parsexlsx-perl security update
[27 Jan 2024] T  DLA-3722-1 mariadb-10.3 security update
[25 Jan 2024] T  DLA-3721-1 xorg-server security update
[25 Jan 2024] T  DLA-3720-1 thunderbird security update
[25 Jan 2024] T  DLA-3719-1 phpseclib security update
[25 Jan 2024] T  DLA-3718-1 php-phpseclib security update
[24 Jan 2024] T  DLA-3717-1 zabbix security update
[23 Jan 2024] T  DLA-3716-1 ruby-httparty security update
[23 Jan 2024] T  DLA-3715-1 jinja2 security update
[22 Jan 2024] T  DLA-3709-2 squid regression update
[21 Jan 2024] T  DLA-3714-1 keystone security update
[21 Jan 2024] T  DLA-3713-1 subunit bugfix update
[17 Jan 2024] T  DLA-3712-1 kodi security update
[10 Jan 2024] T  DLA-3711-1 linux-5.10 security update
[10 Jan 2024] T  DLA-3710-1 linux security update
[09 Jan 2024] T  DLA-3709-1 squid security update
[05 Jan 2024] T  DLA-3708-1 exim4 security update
[05 Jan 2024] T  DLA-3707-1 tomcat9 security update
[04 Jan 2024] T  DLA-3706-1 netatalk security update
[31 Dec 2023] T  DLA-3705-1 php-guzzlehttp-psr7 security update
[31 Dec 2023] T  DLA-3704-1 xerces-c security update
[31 Dec 2023] T  DLA-3703-1 libreoffice security update
[31 Dec 2023] T  DLA-3702-1 libspreadsheet-parseexcel-perl security update
[31 Dec 2023] T  DLA-3701-1 tinyxml security update
[30 Dec 2023] T  DLA-3700-1 cjson security update
[30 Dec 2023] T  DLA-3699-1 libde265 security update
[29 Dec 2023] T  DLA-3698-1 thunderbird security update
[29 Dec 2023] T  DLA-3697-1 firefox-esr security update
[28 Dec 2023] T  DLA-3696-1 asterisk security update
[28 Dec 2023] T  DLA-3695-1 ansible security update
[25 Dec 2023] T  DLA-3694-1 openssh security update
[23 Dec 2023] T  DLA-3693-1 osslsigncode security update
[19 Dec 2023] T  DLA-3692-1 curl security update
[18 Dec 2023] T  DLA-3691-1 spip security update
[17 Dec 2023] T  DLA-3686-2 xorg-server security update
[16 Dec 2023] T  DLA-3690-1 intel-microcode security update
[14 Dec 2023] T  DLA-3689-1 bluez security update
[14 Dec 2023] T  DLA-3688-1 haproxy security update
[13 Dec 2023] T  DLA-3687-1 rabbitmq-server security update
[13 Dec 2023] T  DLA-3686-1 xorg-server security update
[13 Dec 2023] T  DLA-3685-1 debian-security-support security update
[07 Dec 2023] T  DLA-3684-1 tzdata new timezone database
[05 Dec 2023] T  DLA-3683-1 roundcube security update
[03 Dec 2023] T  DLA-3682-1 ncurses security update
[03 Dec 2023] T  DLA-3681-1 amanda security update
[03 Dec 2023] T  DLA-3680-1 opendkim security update
[30 Nov 2023] T  DLA-3679-1 vlc security update
[01 Dec 2023] T  DLA-3678-1 horizon security update
[30 Nov 2023] T  DLA-3677-1 gimp-dds security update
[30 Nov 2023] T  DLA-3676-1 libde265 security update
[30 Nov 2023] T  DLA-3675-1 zbar security update
[30 Nov 2023] T  DLA-3674-1 thunderbird security update
[28 Nov 2023] T  DLA-3673-1 gst-plugins-bad1.0 security update
[28 Nov 2023] T  DLA-3672-1 postgresql-multicorn security update
[28 Nov 2023] T  DLA-3671-1 mediawiki security update
[28 Nov 2023] T  DLA-3670-1 minizip security update
[27 Nov 2023] T  DLA-3669-1 cryptojs security update
[27 Nov 2023] T  DLA-3668-1 opensc security update
[26 Nov 2023] T  DLA-3667-1 python-requestbuilder security update
[26 Nov 2023] T  DLA-3666-1 reportbug security update
[25 Nov 2023] T  DLA-3665-1 node-json5 security update
[24 Nov 2023] T  DLA-3664-1 symfony security update
[24 Nov 2023] T  DLA-3663-1 strongswan security update
[24 Nov 2023] T  DLA-3662-1 freeimage security update
[23 Nov 2023] T  DLA-3661-1 firefox-esr security update
[22 Nov 2023] T  DLA-3660-1 gnutls28 security update
[21 Nov 2023] T  DLA-3659-1 gimp security update
[20 Nov 2023] T  DLA-3658-1 wordpress security update
[20 Nov 2023] T  DLA-3657-1 activemq security update
[19 Nov 2023] T  DLA-3656-1 netty security update
[18 Nov 2023] T  DLA-3655-1 lwip security update
[17 Nov 2023] T  DLA-3654-1 freerdp2 security update
[15 Nov 2023] T  DLA-3653-1 libclamunrar security update
[14 Nov 2023] T  DLA-3652-1 ruby-sanitize security update
[14 Nov 2023] T  DLA-3651-1 postgresql-11 security update
[12 Nov 2023] T  DLA-3650-1 audiofile security update
[08 Nov 2023] T  DLA-3649-1 python-urllib3 security update
[07 Nov 2023] T  DLA-3648-1 tang security update
[07 Nov 2023] T  DLA-3647-1 trapperkeeper-webserver-jetty9-clojure security update
[05 Nov 2023] T  DLA-3646-1 open-vm-tools security update
[05 Nov 2023] T  DLA-3645-1 trafficserver security update
[02 Nov 2023] T  DLA-3644-1 phppgadmin security update
[31 Oct 2023] T  DLA-3643-1 pmix security update
[31 Oct 2023] T  DLA-3642-1 request-tracker4 security update
[30 Oct 2023] T  DLA-3641-1 jetty9 security update
[30 Oct 2023] T  DLA-3640-1 distro-info database update
[30 Oct 2023] T  DLA-3639-1 distro-info-data database update
[29 Oct 2023] T  DLA-3638-1 h2o security update
[29 Oct 2023] T  DLA-3637-1 thunderbird security update
[29 Oct 2023] T  DLA-3636-1 openjdk-11 security update
[29 Oct 2023] T  DLA-3635-1 node-browserify-sign security update
[28 Oct 2023] T  DLA-3634-1 nss security update
[28 Oct 2023] T  DLA-3633-1 gst-plugins-bad1.0 security update
[27 Oct 2023] T  DLA-3632-1 firefox-esr security update
[25 Oct 2023] T  DLA-3631-1 xorg-server security update
[24 Oct 2023] T  DLA-3630-1 roundcube security update
[23 Oct 2023] T  DLA-3629-1 ceph security update
[23 Oct 2023] T  DLA-3628-1 dbus security update
[23 Oct 2023] T  DLA-3627-1 redis security update
[22 Oct 2023] T  DLA-3626-1 krb5 security update
[22 Oct 2023] T  DLA-3625-1 ruby-rmagick security update
[21 Oct 2023] T  DLA-3538-2 zabbix regression update
[20 Oct 2023] T  DLA-3624-1 zookeeper security update
[19 Oct 2023] T  DLA-3623-1 linux-5.10 security update
[17 Oct 2023] T  DLA-3622-1 axis security update
[17 Oct 2023] T  DLA-3617-2 tomcat9 regression update
[16 Oct 2023] T  DLA-3621-1 nghttp2 security update
[16 Oct 2023] T  DLA-3620-1 poppler security update
[14 Oct 2023] T  DLA-3619-1 batik security update
[14 Oct 2023] T  DLA-3618-1 node-babel security update
[13 Oct 2023] T  DLA-3617-1 tomcat9 security update
[12 Oct 2023] T  DLA-3616-1 org-mode security update
[12 Oct 2023] T  DLA-3615-1 libcue security update
[11 Oct 2023] T  DLA-3614-1 python3.7 security update
[11 Oct 2023] T  DLA-3613-1 curl security update
[08 Oct 2023] T  DLA-3612-1 lemonldap-ng security update
[08 Oct 2023] T  DLA-3611-1 inetutils security update
[08 Oct 2023] T  DLA-3610-1 python-urllib3 security update
[08 Oct 2023] T  DLA-3609-1 prometheus-alertmanager security update
[07 Oct 2023] T  DLA-3608-1 vinagre security update
[07 Oct 2023] T  DLA-3607-1 gnome-boxes security update
[07 Oct 2023] T  DLA-3606-1 freerdp2 security update
[06 Oct 2023] T  DLA-3605-1 grub2 security update
[05 Oct 2023] T  DLA-3604-1 qemu security update
[05 Oct 2023] T  DLA-3603-1 libxpm security update
[05 Oct 2023] T  DLA-3602-1 libx11 security update
[05 Oct 2023] T  DLA-3601-1 thunderbird security update
[04 Oct 2023] T  DLA-3600-1 postgresql-11 security update
[02 Oct 2023] T  DLA-3599-1 exim4 security update
[01 Oct 2023] T  DLA-3598-1 libvpx security update
[01 Oct 2023] T  DLA-3597-1 open-vm-tools security update
[30 Sep 2023] T  DLA-3596-1 firmware-nonfree security update
[30 Sep 2023] T  DLA-3595-1 trafficserver security update
[30 Sep 2023] T  DLA-3594-1 cups security update
[30 Sep 2023] T  DLA-3593-1 gerbv security update
[30 Sep 2023] T  DLA-3592-1 jetty9 security update
[30 Sep 2023] T  DLA-3591-1 firefox-esr security update

Sources of Security Information