USN-3896-1: 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 cause a denial of service, bypass same origin protections, or execute arbitrary code...

USN-3847-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to a double free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-10902 It was discovered that an integer overr...

USN-3758-1: libx11 vulnerabilities

Tobias Stoeckmann discovered that libx11 incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information CVE-2016-7942 Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to access...

USN-3754-1: Linux kernel vulnerabilities

Ralf Spenneberg discovered that the ext4 implementation in the Linux kernel did not properly validate meta block groups. An attacker with physical access could use this to specially craft an ext4 image that causes a denial of service system crash. CVE-2016-10208 It was discovered that an...

USN-3530-1: WebKitGTK+ vulnerabilities

It was discovered that speculative execution performed by modern CPUs could leak information through a timing side-channel attack, and that this could be exploited in web browser JavaScript engines. If a user were tricked in to opening a specially crafted website, an attacker could potentially...

USN-3365-1: Ruby vulnerabilities

It was discovered that Ruby DL::dlopen incorrectly handled opening libraries. An attacker could possibly use this issue to open libraries with tainted names. This issue only applied to Ubuntu 14.04 LTS. CVE-2009-5147 Tony Arcieri, Jeffrey Walton, and Steffan Ullrich discovered that the Ruby OpenS...

USN-3304-1: Sudo vulnerability

It was discovered that Sudo did not properly parse the contents of /proc/pid/stat when attempting to determine its controlling tty. A local attacker in some configurations could possibly use this to overwrite any file on the filesystem, bypassing intended permissions...

USN-3293-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that KVM implementation in the Linux kernel improperly emulated the VMXON instruction. A local attacker in a guest OS could use this to cause a denial of service memory consumption in the host OS. CVE-2017-2596 Dmitry Vyukov discovered that the generic SCSI sg subsystem i...

USN-3225-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled hardlink entries when extracting archives. A remote attacker could possibly use this issue to overwrite arbitrary files. CVE-2016-5418 Christian Wressnegger, Alwin Maier, and Fabian Yamaguchi discovered that libarchive incorrectly handled...

USN-3219-1: 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-3169-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment CS in certain error cases. A local attacker could use this to expose sensitive information kernel memory. CVE-2016-9756 Andrey Konovalov discovered that signed integer overflows...

USN-3130-1: OpenJDK 7 vulnerabilities

It was discovered that OpenJDK did not restrict the set of algorithms used for Jar integrity verification. An attacker could use this to modify without detection the content of a JAR file, affecting system integrity. CVE-2016-5542 It was discovered that the JMX component of OpenJDK did not...

USN-3099-1: Linux kernel vulnerabilities

Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload GRO processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service system crash. CVE-2016-7039 Marco Grassi discovered a...

USN-2968-1: Linux kernel vulnerabilities

Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly validate the endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7515 Ben Hawkes discovered that the Linux kernel's AIO...

USN-2868-1: DHCP vulnerability

Sebastian Poehn discovered that the DHCP server, client, and relay incorrectly handled certain malformed UDP packets. A remote attacker could use this issue to cause the DHCP server, client, or relay to stop responding, resulting in a denial of service...

USN-2785-1: Firefox vulnerabilities

Christian Holler, David Major, Jesse Ruderman, Tyson Smith, Boris Zbarsky, Randell Jesup, Olli Pettay, Karl Tomlinson, Jeff Walden, Gary Kwong, Andrew McCreight, Georg Fritzsche, and Carsten Book discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially...

USN-2759-1: Linux kernel vulnerabilities

It was discovered that an integer overflow error existed in the SCSI generic sg driver in the Linux kernel. A local attacker with write permission to a SCSI generic device could use this to cause a denial of service system crash or potentially escalate their privileges. CVE-2015-5707 Marc-André...

USN-2736-1: Spice vulnerability

Frediano Ziglio discovered that Spice incorrectly handled monitor configs. 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, attacke...

USN-2654-1: Tomcat vulnerabilities

It was discovered that the Tomcat XML parser incorrectly handled XML External Entities XXE. A remote attacker could possibly use this issue to read arbitrary files. This issue only affected Ubuntu 14.04 LTS. CVE-2014-0119 It was discovered that Tomcat incorrectly handled data with malformed chunk...

USN-2638-1: Linux kernel vulnerabilities

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...

USN-2637-1: Linux kernel vulnerabilities

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...

USN-2635-1: Linux kernel (Utopic HWE) vulnerabilities

Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service system crash. CVE-2015-0275 Wen Xu discovered a use-after-free flaw in the...

USN-2588-1: Linux kernel vulnerabilities

A stack overflow was discovered in the the microcode loader for the intel x86 platform. A local attacker could exploit this flaw to cause a denial of service kernel crash or to potentially execute code with kernel privileges. CVE-2015-2666 It was discovered that the Linux kernel's IPv6 networking...

USN-2584-1: Linux kernel (EC2) vulnerability

A race condition between chown and execve was discovered in the Linux kernel. A local attacker could exploit this race by using chown on a setuid-user-binary to gain administrative privileges...

USN-2223-1: Linux kernel (Quantal HWE) vulnerabilities

Matthew Daley reported an information leak in the floppy disk driver of the Linux kernel. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from kernel memory. CVE-2014-1738 Matthew Daley reported a flaw in the handling of ioctl commands by the floppy...

USN-2174-1: Linux kernel (EC2) vulnerabilities

A flaw was discovered in the Linux kernel's handling of the SCTP handshake. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2014-0101 An error was discovered in the Linux kernel's DCCP protocol support. A remote attacked could exploit this flaw to cause a...

USN-2068-1: Linux kernel (Quantal HWE) vulnerabilities

Dave Jones and Vince Weaver reported a flaw in the Linux kernel's per event subsystem that allows normal users to enable function tracing. An unprivileged local user could exploit this flaw to obtain potentially sensitive information from the kernel. CVE-2013-2930 Stephan Mueller reported an erro...

USN-2037-1: Linux kernel (EC2) vulnerabilities

A flaw was discovered in the Linux kernel's KVM kernel virtual machine. An administrative user in the guest OS could leverage this flaw to cause a denial of service in the host OS. CVE-2012-2121 Multiple integer overflow flaws were discovered in the Alchemy LCD frame- buffer drivers in the Linux...

USN-1673-1: Linux kernel (OMAP4) vulnerability

Dmitry Monakhov reported a race condition flaw the Linux ext4 filesystem that can expose stale data. An unprivileged user could exploit this flaw to cause an information leak. CVE-2012-4508 A flaw was discovered in the Linux kernel's handling of new hot-plugged memory. An unprivileged local user...

USN-1488-1: Linux kernel vulnerabilities

Stephan Mueller reported a flaw in the Linux kernel's dl2k network driver's handling of ioctls. An unprivileged local user could leverage this flaw to cause a denial of service. CVE-2012-2313 Timo Warns reported multiple flaws in the Linux kernel's hfsplus filesystem. An unprivileged local user...

USN-1373-1: OpenJDK 6 vulnerabilities

It was discovered that the Java HttpServer class did not limit the number of headers read from a HTTP request. A remote attacker could cause a denial of service by sending special requests that trigger hash collisions predictably. CVE-2011-5035 ATTENTION: this update changes previous Java...

USN-1364-1: Linux kernel (OMAP4) vulnerabilities

A bug was discovered in the Linux kernel's calculation of OOM Out of memory scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. CVE-2011-4097 A flaw was...

USN-1350-1: Thunderbird vulnerabilities

Jesse Ruderman and Bob Clary discovered memory safety issues affecting Thunderbird. If the user were tricked into opening a specially crafted page, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user...

USN-1356-1: Linux kernel (OMAP4) vulnerabilities

A flaw was discovered in the XFS filesystem. If a local user mounts a specially crafted XFS image it could potential execute arbitrary code on the system. CVE-2012-0038 Chen Haogang discovered an integer overflow that could result in memory corruption. A local unprivileged user could use this to...

USN-1141-1: Linux kernel vulnerabilities

Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. CVE-2010-4243 Alexander Duyck discovered that the Intel Gigabit Ethernet driver...

USN-955-1: OPIE vulnerability

Maksymilian Arciemowicz and Adam Zabrocki discovered that OPIE incorrectly handled long usernames. A remote attacker could exploit this with a crafted username and make applications linked against libopie crash, leading to a denial of service...

USN-752-1: Linux kernel vulnerabilities

NFS did not correctly handle races between fcntl and interrupts. A local attacker on an NFS mount could consume unlimited kernel memory, leading to a denial of service. CVE-2008-4307 Sparc syscalls did not correctly check mmap regions. A local attacker could cause a system panic, leading to a...

USN-673-1: libxml2 vulnerabilities

Drew Yao discovered that libxml2 did not correctly handle certain corrupt XML documents. If a user or automated system were tricked into processing a malicious XML document, a remote attacker could cause applications linked against libxml2 to enter an infinite loop, leading to a denial of service...

USN-151-1: zlib vulnerability

USN-148-1 fixed an improver input verification of zlib CAN-2005-2096. Markus Oberhumer discovered additional ways a disrupted stream could trigger a buffer overflow and crash the application using zlib, so another update is necessary. zlib is used by hundreds of server and client applications, so...

USN-7443-1: Erlang vulnerability

Fabian Bäumer, Marcel Maehren, Marcus Brinkmann, and Jörg Schwenk discovered that Erlang OTP’s SSH module incorrect handled authentication. A remote attacker could use this issue to execute arbitrary commands without authentication, possibly leading to a system compromise...

USN-7426-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled memory when opening certain PDF files. An attacker could possibly use this issue to cause poppler to crash, resulting in a denial of service...

USN-7357-1: Libxslt vulnerability

Ivan Fratric discovered that Libxslt incorrectly handled certain memory operations when handling documents. A remote attacker could use this issue to cause Libxslt to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-7302-1: libxml2 vulnerabilities

It was discovered that libxml2 incorrectly handled certain memory operations. A remote attacker could use this issue to cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, and Ubuntu 18.04 LTS...

USN-7278-1: OpenSSL vulnerabilities

George Pantelakis and Alicja Kario discovered that OpenSSL had a timing side-channel when performing ECDSA signature computations. A remote attacker could possibly use this issue to recover private data. CVE-2024-13176 It was discovered that OpenSSL incorrectly handled certain memory operations...

USN-6558-1: audiofile vulnerabilities

It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

USN-6441-2: Linux kernel (GCP) vulnerabilities

Ross Lagerwall discovered that the Xen netback backend driver in the Linux kernel did not properly handle certain unusual packets from a paravirtualized network frontend, leading to a buffer overflow. An attacker in a guest VM could use this to cause a denial of service host system crash or...

USN-6416-2: Linux kernel vulnerabilities

It was discovered that the IPv6 implementation in the Linux kernel contained a high rate of hash collisions in connection lookup table. A remote attacker could use this to cause a denial of service excessive CPU consumption. CVE-2023-1206 Daniël Trujillo, Johannes Wikner, and Kaveh Razavi...

USN-6173-1: Linux kernel (OEM) vulnerabilities

Gwangun Jung discovered that the Quick Fair Queueing scheduler implementation in the Linux kernel contained an out-of-bounds write vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-31436 It was discovered that the...

USN-6097-1: Linux PTP vulnerability

It was discovered that Linux PTP did not properly perform a length check when forwarding a PTP message between ports. A remote attacker could possibly use this issue to access sensitive information, execute arbitrary code, or cause a denial of service...

USN-6042-1: Cloud-init vulnerability

James Golovich discovered that sensitive data could be exposed in logs. An attacker could use this information to find hashed passwords and possibly escalate their privilege...