USN-3460-1: WebKitGTK+ vulnerabilities

A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service...

USN-3459-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 5.5.58 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, Ubuntu 17.04 and Ubuntu 17.10 have been updated to MySQL 5.7.20. In addition to security fixes, the...

USN-3457-1: curl vulnerability

Brian Carpenter discovered that curl incorrectly handled IMAP FETCH response lines. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3456-1: X.Org X server vulnerabilities

It was discovered that the X.Org X server incorrectly handled certain lengths. An attacker able to connect to an X server, either locally or remotely, could use these issues to crash the server, or possibly execute arbitrary code...

USN-3455-1: wpa_supplicant and hostapd vulnerabilities

Mathy Vanhoef discovered that wpasupplicant and hostapd incorrectly handled WPA2. A remote attacker could use this issue with key reinstallation attacks to obtain sensitive information. CVE-2017-13077, CVE-2017-13078, CVE-2017-13079, CVE-2017-13080, CVE-2017-13081, CVE-2017-13082, CVE-2017-13086,...

USN-3454-1: libffi vulnerability

It was discovered that libffi incorrectly enforced an executable stack. An attacker could possibly use this issue, in combination with another vulnerability, to facilitate executing arbitrary code...

USN-3453-1: X.Org X server vulnerabilities

Michal Srb discovered that the X.Org X server incorrectly handled shared memory segments. An attacker able to connect to an X server, either locally or remotely, could use this issue to crash the server, or possibly replace shared memory segments of other X clients in the same session...

USN-3452-1: Ceph vulnerabilities

It was discovered that Ceph incorrectly handled the handlecommand function. A remote authenticated user could use this issue to cause Ceph to crash, resulting in a denial of service. CVE-2016-5009 Rahul Aggarwal discovered that Ceph incorrectly handled the authenticated-read ACL. A remote attacke...

USN-3451-1: OpenStack Swift vulnerabilities

It was discovered that OpenStack Swift incorrectly handled tempurls. A remote authenticated user in possession of a tempurl key authorized for PUT could retrieve other objects in the same Swift account. CVE-2015-5223 Romain Le Disez and Örjan Persson discovered that OpenStack Swift incorrectly...

USN-3450-1: Open vSwitch vulnerabilities

Bhargava Shastry discovered that Open vSwitch incorrectly handled certain OFP messages. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. CVE-2017-9214 It was discovered that Open vSwitch incorrectly handled certain OpenFlow role...

USN-3449-1: OpenStack Nova vulnerabilities

George Shuklin discovered that OpenStack Nova incorrectly handled the migration process. A remote authenticated user could use this issue to consume resources, resulting in a denial of service. CVE-2015-3241 George Shuklin and Tushar Patil discovered that OpenStack Nova incorrectly handled deleti...

USN-3448-1: OpenStack Keystone vulnerability

Boris Bobrov discovered that OpenStack Keystone incorrectly handled federation mapping when there are rules in which group-based assignments are not used. A remote authenticated user may receive all the roles assigned to a project regardless of the federation mapping, contrary to expectations...

USN-3447-1: OpenStack Horizon vulnerability

Beth Lancaster and Brandon Sawyers discovered that OpenStack Horizon was incorrect protected against cross-site scripting XSS attacks. A remote authenticated user could use this issue to inject web script or HTML in a dashboard form...

USN-3446-1: OpenStack Glance vulnerabilities

Hemanth Makkapati discovered that OpenStack Glance incorrectly handled access restrictions. A remote authenticated user could use this issue to change the status of images, contrary to access restrictions. CVE-2015-5251 Mike Fedosin and Alexei Galkin discovered that OpenStack Glance incorrectly...

USN-3436-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing-like context, an attacker could potentially exploit these to read uninitialized memory, bypass phishing and malware protection, conduct cross-site scripting XSS...

USN-3445-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3445-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. Eyal Itkin discovered that the IP over IEEE 1394 FireWire implementation in the Linux...

USN-3443-3: Linux kernel (GCP) vulnerability

Andrey Konovalov discovered that a divide-by-zero error existed in the TCP stack implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-14106...

USN-3444-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3444-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. Jan H. Schönherr discovered that the Xen subsystem did not properly handle block IO...

USN-3445-1: Linux kernel vulnerabilities

Eyal Itkin discovered that the IP over IEEE 1394 FireWire implementation in the Linux kernel contained a buffer overflow when handling fragmented packets. A remote attacker could use this to possibly execute arbitrary code with administrative privileges. CVE-2016-8633 Andrey Konovalov discovered...

USN-3444-1: Linux kernel vulnerabilities

Jan H. Schönherr discovered that the Xen subsystem did not properly handle block IO merges correctly in some situations. An attacker in a guest vm could use this to cause a denial of service host crash or possibly gain administrative privileges in the host. CVE-2017-12134 Andrey Konovalov...

USN-3424-2: libxml2 vulnerabilities

USN-3424-1 fixed several vulnerabilities in libxml2. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denia...

USN-3443-2: Linux kernel (HWE) vulnerabilities

USN-3443-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. It was discovered that on the PowerPC architecture, the kernel did not properly sanitize the...

USN-3443-1: Linux kernel vulnerabilities

It was discovered that on the PowerPC architecture, the kernel did not properly sanitize the signal stack when handling sigreturn. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-1000255 Andrey Konovalov discovered that a...

USN-3442-1: libXfont vulnerabilities

It was discovered that libXfont incorrectly handled certain patterns in PatternMatch. A local attacker could use this issue to cause libXfont to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2017-13720 It was discovered that libXfont incorrectly handled...

USN-3441-1: curl vulnerabilities

Daniel Stenberg discovered that curl incorrectly handled large floating point output. A remote attacker could use this issue to cause curl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-9586...

USN-3440-1: poppler vulnerabilities

It was discovered that Poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service. CVE-2017-14518, CVE-2017-14520, CVE-2017-14617, CVE-2017-14929, CVE-2017-14975, CVE-2017-14977 It was discover...

USN-3439-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. CVE-2017-0898 Yusuke Endoh discovered that Ruby incorrectly handled certain files. An attacker could use this to execute terminal escape sequences. CVE-2017-0899 Yusuke Endoh...

USN-3438-1: Git vulnerability

It was discovered that Git incorrectly handled certain subcommands such as cvsserver. A remote attacker could possibly use this issue via shell metacharacters in modules names to execute arbitrary code. This update also removes the cvsserver subcommand from git-shell by default...

USN-3435-2: Firefox regression

USN-3435-1 fixed vulnerabilities in Firefox. The update caused the Flash plugin to crash in some circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a...

USN-3437-1: OCaml vulnerability

Radek Micek discovered that OCaml incorrectly handled sign extensions. A remote attacker could use this issue to cause applications using OCaml to crash, to possibly obtain sensitive information, or to possibly execute arbitrary code...

USN-3430-2: Dnsmasq vulnerabilities

USN-3430-1 fixed several vulnerabilities in Dnsmasq. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could...

USN-3435-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to read uninitialized memory, obtain sensitive information, bypass phishing and malware protection, spoof the origin in modal dialogs,...

USN-3434-1: Libidn vulnerability

It was discovered that Libidn incorrectly handled decoding certain digits. A remote attacker could use this issue to cause Libidn to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3433-1: poppler vulnerabilities

It was discovered that Poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial service. This issue only affected Ubuntu 17.04. CVE-2017-14517 It was discovered that Poppler incorrectly handled certain...

USN-3430-1: Dnsmasq vulnerabilities

Felix Wilhelm, Fermin J. Serna, Gabriel Campana and Kevin Hamacher discovered that Dnsmasq incorrectly handled DNS requests. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2017-14491 Felix Wilhelm, Fermin...

USN-3432-1: ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 20170717 package...

USN-3431-1: NSS vulnerability

Martin Thomson discovered that NSS incorrectly generated handshake hashes. A remote attacker could use this issue to cause NSS to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3429-1: Libplist vulnerability

Wang Junjie discovered that Libplist incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a crash or denial or service...

USN-3428-1: Emacs vulnerability

Charles A. Roelli discovered that Emacs incorrectly handled certain files. If a user were tricked into opening a specially crafted file e.g., email messages in gnus, an attacker could possibly use this to execute arbitrary code...

USN-3427-1: Emacs vulnerability

Charles A. Roelli discovered that Emacs incorrectly handled certain files. If a user were tricked into opening a specially crafted file e.g., email messages in gnus, an attacker could possibly use this to execute arbitrary code...

USN-3426-1: Samba vulnerabilities

Stefan Metzmacher discovered that Samba incorrectly enforced SMB signing in certain situations. A remote attacker could use this issue to perform a machine-in-the-middle attack. CVE-2017-12150 Stefan Metzmacher discovered that Samba incorrectly handled encryption across DFS redirects. A remote...

USN-3414-2: QEMU regression

USN-3414-1 fixed vulnerabilities in QEMU. The patch backport for CVE-2017-9375 was incomplete and caused a regression in the USB xHCI controller emulation support. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Leo Gaspard discovered that QEMU...

USN-3425-1: Apache HTTP Server vulnerability

Hanno Böck discovered that the Apache HTTP Server incorrectly handled Limit directives in .htaccess files. In certain configurations, a remote attacker could possibly use this issue to read arbitrary server memory, including sensitive information. This issue is known as Optionsbleed...

USN-3424-1: libxml2 vulnerabilities

It was discovered that a type confusion error existed in libxml2. An attacker could use this to specially construct XML data that could cause a denial of service or possibly execute arbitrary code. CVE-2017-0663 It was discovered that libxml2 did not properly validate parsed entity references. An...

USN-3423-1: Linux kernel vulnerability

It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service system crash...

USN-3422-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3422-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux...

USN-3420-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3420-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux...

USN-3419-2: Linux kernel (HWE) vulnerabilities

USN-3419-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel wh...

USN-3419-1: Linux kernel vulnerabilities

It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service system crash. CVE-2017-1000251 It was discovered that a buffer overflow existed in t...

USN-3420-1: Linux kernel vulnerabilities

It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux kernel when handling L2CAP configuration responses. A physically proximate attacker could use this to cause a denial of service system crash. CVE-2017-1000251 It was discovered that the Flash-Friendly File System...