USN-3337-1 valgrind vulnerabilities

It was discovered that Valgrind incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu...

USN-3265-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-7374 Andrey Konovalov discovered an out-of-bounds access in the IPv6 Generic Routing Encapsulation G...

USN-3253-1 nagios3 vulnerabilities

It was discovered that Nagios incorrectly handled certain long strings. A remote authenticated attacker could use this issue to cause Nagios to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2013-7108, CVE-2013-7205 It was discovered that Nagios incorrectly...

USN-3249-2 linux-lts-xenial vulnerability

USN-3249-1 fixed a vulnerability 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 the xfrm framework for transforming packets in the Linux kernel...

USN-3181-1 openssl vulnerabilities

Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointer arithmetic. A remote attacker could possibly use this issue to cause OpenSSL to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS as other releases were...

USN-3175-1 firefox vulnerabilities

Multiple memory safety 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 via application crash, or execute arbitrary code. CVE-2017-5373, CVE-2017-5374 JIT code allocation c...

USN-3169-2 linux-lts-xenial vulnerabilities

USN-3169-1 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. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not...

USN-3161-4 linux-snapdragon vulnerabilities

Tilman Schmidt and Sasha Levin discovered a use-after-free condition in the TTY implementation in the Linux kernel. A local attacker could use this to expose sensitive information kernel memory. CVE-2015-8964 It was discovered that the Video For Linux Two v4l2 implementation in the Linux kernel d...

USN-3141-1 thunderbird vulnerabilities

Christian Holler, Jon Coppeard, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues 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...

USN-3146-1 linux vulnerabilities

It was discovered that the getuserasmex implementation in the Linux kernel for x86/x8664 contained extended asm statements that were incompatible with the exception table. A local attacker could use this to gain administrative privileges. CVE-2016-9644 Andreas Gruenbacher and Jan Kara discovered...

USN-3115-1 python-django vulnerabilities

Marti Raudsepp discovered that Django incorrectly used a hardcoded password when running tests on an Oracle database. A remote attacker could possibly connect to the database while the tests are running and prevent the test user with the hardcoded password from being removed. CVE-2016-9013 Aymeri...

USN-3089-1 python-django vulnerability

Sergey Bobrov discovered that Django incorrectly parsed cookies when being used with Google Analytics. A remote attacker could possibly use this issue to set arbitrary cookies leading to a CSRF protection bypass...

USN-3087-2 openssl regression

USN-3087-1 fixed vulnerabilities in OpenSSL. The fix for CVE-2016-2182 was incomplete and caused a regression when parsing certificates. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Shi Lei discovered that OpenSSL incorrectly handled the OCSP Statu...

USN-3014-1 spice vulnerabilities

Jing Zhao discovered that the Spice smartcard support incorrectly handled memory. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 15.10 and Ubuntu 16.04 LTS. CVE-2016-0749...

USN-3001-1 linux-lts-vivid vulnerabilities

Justin Yackoski discovered that the Atheros L2 Ethernet Driver in the Linux kernel incorrectly enables scatter/gather I/O. A remote attacker could use this to obtain potentially sensitive information from kernel memory. CVE-2016-2117 Jann Horn discovered that eCryptfs improperly attempted to use...

USN-2993-1 firefox vulnerabilities

Christian Holler, Gary Kwong, Jesse Ruderman, Tyson Smith, Timothy Nikkel, Sylvestre Ledru, Julian Seward, Olli Pettay, Karl Tomlinson, Christoph Diehl, Julian Hector, Jan de Mooij, Mats Palmgren, and Tooru Fujisawa discovered multiple memory safety issues in Firefox. If a user were tricked in to...

USN-2990-1 imagemagick vulnerabilities

Nikolay Ermishkin and Stewie discovered that ImageMagick incorrectly sanitized untrusted input. A remote attacker could use these issues to execute arbitrary code. These issues are known as "ImageTragick". This update disables problematic coders via the /etc/ImageMagick-6/policy.xml configuration...

USN-2982-1 libksba vulnerabilities

Hanno Böck discovered that Libksba incorrectly handled decoding certain BER data. An attacker could use this issue to cause Libksba to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2016-4353 Hanno Böck discovered that Libksba...

USN-2979-1 linux vulnerabilities

David Matlack discovered that the Kernel-based Virtual Machine KVM implementation in the Linux kernel did not properly restrict variable Memory Type Range Registers MTRR in KVM guests. A privileged user in a guest VM could use this to cause a denial of service system crash in the host, expose...

USN-2974-1 qemu, qemu-kvm vulnerabilities

Zuozhi Fzz discovered that QEMU incorrectly handled USB OHCI emulation support. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. CVE-2016-2391 Qinghao Tang discovered that QEMU incorrectly handled USB Net emulation support. A...

USN-2950-3 samba regressions

USN-2950-1 fixed vulnerabilities in Samba. The fixes introduced in Samba 4.3.8 caused certain regressions and interoperability issues. This update resolves some of these issues by updating to Samba 4.3.9 in Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. Backported regression fixes were adde...

USN-2950-2 libsoup2.4 update

USN-2950-1 fixed vulnerabilities in Samba. The updated Samba packages introduced a compatibility issue with NTLM authentication in libsoup. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jouni Knuutinen discovered that Samba contained multiple flaws ...

USN-2959-1 openssl vulnerabilities

Huzaifa Sidhpurwala, Hanno Böck, and David Benjamin discovered that OpenSSL incorrectly handled memory when decoding ASN.1 structures. A remote attacker could use this issue to cause OpenSSL to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-2108 Juraj...

USN-2889-2 linux-lts-vivid 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-2710-1 openssh vulnerabilities

Moritz Jodeit discovered that OpenSSH incorrectly handled usernames when using PAM authentication. If an additional vulnerability were discovered in the OpenSSH unprivileged child process, this issue could allow a remote attacker to perform user impersonation. CVE number pending Moritz Jodeit...

USN-2677-1 oxide-qt vulnerabilities

An uninitialized value issue was discovered in ICU. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service. CVE-2015-1270 A use-after-free was discovered in the GPU process implementation in Chromium. If a user wer...

USN-2634-1 linux vulnerabilities

Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service system crash or gain administrative privileges on the system. CVE-2015-3636 A memory corruption flaw was discovered in the Linux kernel's scsi...

USN-2630-1 qemu, qemu-kvm 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-2621-1 postgresql-9.1, postgresql-9.3, postgresql-9.4 vulnerabilities

Benkocs Norbert Attila discovered that PostgreSQL incorrectly handled authentication timeouts. A remote attacker could use this flaw to cause the unauthenticated session to crash, possibly leading to a security issue. CVE-2015-3165 Noah Misch discovered that PostgreSQL incorrectly handled certain...

USN-2582-1 oxide-qt vulnerabilities

A use-after-free was discovered in the DOM implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the sandboxed render...

USN-2447-2 linux-lts-utopic regression

USN-2447-1 fixed vulnerabilities in the Linux kernel. Due to an unrelated regression TCP Throughput drops to zero for several drivers after upgrading. This update fixes the problem. We apologize for the inconvenience. Original advisory details: An information leak in the Linux kernel was discover...

USN-2439-1 qemu, qemu-kvm vulnerabilities

Michael S. Tsirkin discovered that QEMU incorrectly handled certain parameters during ram load while performing a migration. An attacker able to manipulate savevm data could use this issue to possibly execute arbitrary code on the host. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS,...

USN-2404-1 libvirt vulnerabilities

Pavel Hrdina discovered that libvirt incorrectly handled locking when processing the virConnectListAllDomains command. An attacker could use this issue to cause libvirtd to hang, resulting in a denial of service. CVE-2014-3657 Eric Blake discovered that libvirt incorrectly handled permissions whe...

USN-2364-1 bash vulnerabilities

Florian Weimer and Todd Sabin discovered that the Bash parser incorrectly handled memory. An attacker could possibly use this issue to bypass certain environment restrictions and execute arbitrary code. CVE-2014-7186, CVE-2014-7187 In addition, this update introduces a hardening measure which add...

USN-2351-1 nginx vulnerability

Antoine Delignat-Lavaud and Karthikeyan Bhargavan discovered that nginx incorrectly reused cached SSL sessions. An attacker could possibly use this issue in certain configurations to obtain access to information from a different virtual host...

USN-2326-1 oxide-qt vulnerabilities

A use-after-free was discovered in the SVG implementation in Blink. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via renderer crash, or execute arbitrary code with the privileges of the sandboxed render...

USN-2296-1 thunderbird vulnerabilities

Christian Holler, David Keeler and Byron Campen 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 crash, or...

USN-2290-1 linux vulnerabilities

Sasha Levin reported a flaw in the Linux kernel's point-to-point protocol PPP when used with the Layer Two Tunneling Protocol L2TP. A local user could exploit this flaw to gain administrative privileges. CVE-2014-4943 Salva Peiró discovered an information leak in the Linux kernel's media- device...

USN-2242-1 dpkg vulnerabilities

It was discovered that dpkg incorrectly handled certain patches when unpacking source packages. If a user or an automated system were tricked into unpacking a specially crafted source package, a remote attacker could modify files outside the target unpack directory, leading to a denial of service...

USN-2169-1 python-django vulnerabilities

Benjamin Bach discovered that Django incorrectly handled dotted Python paths when using the reverse function. An attacker could use this issue to cause Django to import arbitrary modules from the Python path, resulting in possible code execution. CVE-2014-0472 Paul McMillan discovered that Django...

USN-8850-1 linux-bluefield vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Network file system NFS server daemon; - OCFS2 file system; - IPv6 networking; - Netfilter; - SCTP protocol;...

USN-8843-1 freeipmi vulnerabilities

It was discovered that FreeIPMI incorrectly handled certain malformed Fujitsu SEL long-text responses, leading to a stack-based buffer overflow. An attacker in control of a malicious IPMI device could possibly use this issue to cause FreeIPMI to crash, resulting in a denial of service, or possibl...

USN-8834-1 exim4 vulnerabilities

It was discovered that Exim had an out-of-bounds write when Proxy-Protocol was used with an attacker-controlled proxy. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-94054 It was discovered that Exim had a use-after-free when certain non-default TLS settings...

USN-8822-1 libwebsockets vulnerabilities

It was discovered that Libwebsockets incorrectly handled certain SSH protocol messages in its SSH protocol handler. A remote attacker could possibly use this issue to cause Libwebsockets to consume excessive resources, resulting in a denial of service. CVE-2026-10650 It was discovered that...

USN-8785-1 openjdk-lts vulnerabilities

Kai Aizen discovered that the Networking component of OpenJDK 11 did not correctly handle user authentication. A remote attacker could possibly use this issue to leak sensitive information. CVE-2026-61308 It was discovered that the JSSE component of OpenJDK 11 did not correctly handle user...

USN-8770-1 simplesamlphp vulnerabilities

It was discovered that SimpleSAMLphp incorrectly validated cryptographic signatures in XML messages. An authenticated attacker could possibly use this issue to impersonate users or gain elevated privileges. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. CVE-2019-3465 It was...

USN-8767-1 snapcast vulnerability

It was discovered that Snapcast incorrectly handled crafted JSON-RPC requests. A remote attacker could possibly use this issue to execute arbitrary code or obtain sensitive information...

USN-8761-1 linux-azure vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM32 architecture; - ARM64 architecture; - PowerPC architecture; - Compute Acceleration Framework; - Drivers core;...

USN-8760-1 linux-nvidia-7.0 vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - User-space API UAPI; - Kernel build system; - ARM32 architecture; - ARM64 architecture; - RISC-V architecture; - S3...

USN-8741-1 flatpak vulnerabilities

It was discovered that Flatpak did not properly validate paths in sandbox-expose options. A malicious or compromised Flatpak app could use app-controlled symlinks to access arbitrary host files and gain code execution in the host context. This issue was addressed in Ubuntu Ubuntu 20.04 LTS, Ubunt...