USN-4199-2: libvpx vulnerabilities

USN-4199-1 fixed several vulnerabilities in libvpx. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that libvpx did not properly handle certain malformed WebM media files. If an application using libvpx opened a specially crafted We...

USN-4406-1: Mailman vulnerability

It was discovered that Mailman incorrectly handled certain inputs. An attacker could possibly use this issue to inject arbitrary content in the login page...

USN-4310-1: WebKitGTK+ vulnerability

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-4282-1: PostgreSQL vulnerability

It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER ... DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions...

USN-4161-1: Linux kernel vulnerability

It was discovered that the IPv6 routing implementation in the Linux kernel contained a reference counting error leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-4091-1: poppler vulnerability

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service...

USN-4087-1: BWA vulnerability

It was discovered that Burrows-Wheeler Aligner BWA mishandled certain crafted .alt files. An attacker could use this vulnerability to cause a denial of service crash or possibly execute arbitrary code...

USN-3958-1: GStreamer Base Plugins vulnerability

It was discovered that GStreamer Base Plugins did not correctly handle certain malformed RTSP streams. If a user were tricked into opening a crafted RTSP stream with a GStreamer application, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code...

USN-3877-1: LibVNCServer vulnerabilities

It was discovered that LibVNCServer incorrectly handled certain operations. A remote attacker able to connect to applications using LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code...

USN-3847-2: Linux kernel (HWE) vulnerabilities

USN-3847-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that a race condition existed in the raw MIDI driver for the Linux...

USN-3825-2: mod_perl vulnerability

USN-3825-1 fixed a vulnerability in modperl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Jan Ingvoldstad discovered that modperl incorrectly handled configuration options to disable being used by unprivileged users, contrary to the documentation....

USN-3712-2: libpng vulnerability

USN-3712-1 fixed a vulnerability in libpng. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Patrick Keshishian discovered that libpng incorrectly handled certain PNG files. An attacker could possibly use this to cause a denial of service...

USN-3690-1: AMD Microcode update

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3616-1: Python Crypto vulnerability

It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information...

USN-3576-1: libvirt vulnerabilities

Vivian Zhang and Christoph Anton Mitterer discovered that libvirt incorrectly disabled password authentication when the VNC password was set to an empty string. A remote attacker could possibly use this issue to bypass authentication, contrary to expectations. This issue only affected Ubuntu 14.0...

USN-3509-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3509-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink...

USN-3505-1: Linux firmware vulnerabilities

Mathy Vanhoef discovered that the firmware for several Intel WLAN devices incorrectly handled WPA2 in relation to Wake on WLAN. A remote attacker could use this issue with key reinstallation attacks to obtain sensitive information. CVE-2017-13080, CVE-2017-13081...

USN-3468-1: Linux kernel vulnerabilities

It was discovered that the KVM subsystem in the Linux kernel did not properly bound guest IRQs. A local attacker in a guest VM could use this to cause a denial of service host system crash. CVE-2017-1000252 It was discovered that the Flash-Friendly File System f2fs implementation in the Linux...

USN-3459-2: MySQL vulnerabilities

USN-3459-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to...

USN-3391-3: Firefox regression

USN-3391-1 fixed vulnerabilities in Firefox. The update introduced a performance regression with WebExtensions. 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-3389-1: GD vulnerability

A vulnerability was discovered in GD Graphics Library aka libgd, as used in PHP that does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read bytes from the top of the stack...

USN-3364-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly initialize a Wake- on-Lan data structure. A local attacker could use this to expose sensitive information kernel memory. CVE-2014-9900 It was discovered that the Linux kernel did not properly restrict access to /proc/iomem. A local attacker...

USN-3212-3: LibTIFF vulnerabilities

USN-3212-1 and USN-3212-2 fixed a vulnerabilitiy in LibTIFF. This update provides a subset of corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening ...

USN-3349-1: NTP vulnerabilities

Yihan Lian discovered that NTP incorrectly handled certain large request data values. A remote attacker could possibly use this issue to cause NTP to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2016-2519 Miroslav Lichvar discovered that NTP incorrectly...

USN-3289-1: QEMU vulnerabilities

Li Qiang discovered that QEMU incorrectly handled VirtFS directory sharing. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2017-7377, CVE-2017-8086 Jiangxin discovered that QEMU incorrectly handled the Cirrus VGA device. A...

USN-3264-1: Linux kernel vulnerability

Alexander Popov discovered that a race condition existed in the Stream Control Transmission Protocol SCTP implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash...

USN-3221-1: Linux kernel vulnerability

Alexander Popov discovered that the NHDLC line discipline implementation in the Linux kernel contained a double-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges...

USN-3187-2: Linux kernel (OMAP4) vulnerabilities

Andrey Konovalov discovered that the SCTP implementation in the Linux kernel improperly handled validation of incoming data. A remote attacker could use this to cause a denial of service system crash. CVE-2016-9555 It was discovered that multiple memory leaks existed in the XFS implementation in...

USN-3165-1: Thunderbird vulnerabilities

Multiple memory safety issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. CVE-2016-9893, CVE-2017-5373 Andrew Krasichkov...

USN-3147-1: Linux kernel vulnerabilities

Andreas Gruenbacher and Jan Kara discovered that the filesystem implementation in the Linux kernel did not clear the setgid bit during a setxattr call. A local attacker could use this to possibly elevate group privileges. CVE-2016-7097 Marco Grassi discovered that the driver for Areca RAID...

USN-3063-1: Fontconfig vulnerability

Tobias Stoeckmann discovered that Fontconfig incorrectly handled cache files. A local attacker could possibly use this issue with a specially crafted cache file to elevate privileges...

USN-3048-1: curl vulnerabilities

Bru Rom discovered that curl incorrectly handled client certificates when resuming a TLS session. CVE-2016-5419 It was discovered that curl incorrectly handled client certificates when reusing TLS connections. CVE-2016-5420 Marcelo Echeverria and Fernando Muñoz discovered that curl incorrectly...

USN-3017-3: Linux kernel (Wily HWE) vulnerabilities

USN-3017-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 15.10 for Ubuntu 14.04 LTS. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correct...

USN-2922-1: Samba vulnerabilities

Jeremy Allison discovered that Samba incorrectly handled ACLs on symlink paths. A remote attacker could use this issue to overwrite the ownership of ACLs using symlinks. CVE-2015-7560 Garming Sam and Douglas Bagnall discovered that the Samba internal DNS server incorrectly handled certain DNS TXT...

USN-2916-1: Perl vulnerabilities

It was discovered that Perl incorrectly handled certain regular expressions with an invalid backreference. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2013-7422 Markus Vervier discovered that Perl incorrectly...

USN-2891-1: QEMU vulnerabilities

Qinghao Tang discovered that QEMU incorrectly handled PCI MSI-X support. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.10. CVE-2015-7549 Lian Yihan discovered that QEMU incorrectl...

USN-2890-3: Linux kernel (Raspberry Pi 2) vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

USN-2881-1: 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 5.5.47 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 15.04 and Ubuntu 15.10 have been updated to MySQL 5.6.28. In addition to security fixes, th...

USN-2841-2: Linux kernel (Trusty HWE) vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...

USN-2778-1: Linux kernel (Vivid HWE) vulnerabilities

It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service...

USN-2728-1: Bind vulnerability

Hanno Böck discovered that Bind incorrectly handled certain malformed keys when configured to perform DNSSEC validation. A remote attacker could use this issue with specially crafted zone data to cause Bind to crash, resulting in a denial of service...

USN-2685-1: Linux kernel vulnerabilities

A flaw was discovered in the kvm kernel virtual machine subsystem's kvmapichasevents function. A unprivileged local user could exploit this flaw to cause a denial of service system crash. CVE-2015-4692 A flaw was discovered in how the Linux kernel handles invalid UDP checksums. A remote attacker...

USN-2680-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-1805 A flaw was discovered in the kvm kernel virtual...

USN-2679-1: Linux kernel (OMAP4) vulnerabilities

A flaw was discovered in the user space memory copying for the pipe iovecs in the Linux kernel. An unprivileged local user could exploit this flaw to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-1805 Daniel Borkmann reported a kernel crash in the Linux...

USN-2672-1: NSS vulnerabilities

Karthikeyan Bhargavan discovered that NSS incorrectly handled state transitions for the TLS state machine. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to skip the ServerKeyExchange message and remove the forward-secrecy property...

USN-2651-1: GNU patch vulnerabilities

Jakub Wilk discovered that GNU patch did not correctly handle file paths in patch files. An attacker could specially craft a patch file that could overwrite arbitrary files with the privileges of the user invoking the program. This issue only affected Ubuntu 12.04 LTS. CVE-2010-4651 László...

USN-2630-1: QEMU vulnerabilities

Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt,...

USN-2603-1: Thunderbird vulnerabilities

Jesse Ruderman, Mats Palmgren, Byron Campen, and Steve Fink discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message with scripting enabled, an attacker could potentially exploit these to cause a denial of service via application...

USN-2517-1: Linux kernel (Utopic HWE) vulnerabilities

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...

USN-2479-1: RPM vulnerabilities

Florian Weimer discovered that RPM incorrectly handled temporary files. A local attacker could use this issue to execute arbitrary code. CVE-2013-6435 Florian Weimer discovered that RPM incorrectly handled certain CPIO headers. If a user or automated system were tricked into installing a maliciou...