USN-4362-1: DPDK vulnerabilities

It was discovered that DPDK incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code. CVE-2020-10722, CVE-2020-10723, CVE-2020-10724, CVE-2020-10725, CVE-2020-10726...

USN-4311-1: BlueZ vulnerabilities

It was discovered that BlueZ incorrectly handled bonding HID and HOGP devices. A local attacker could possibly use this issue to impersonate non-bonded devices. CVE-2020-0556 It was discovered that BlueZ incorrectly handled certain commands. A local attacker could use this issue to cause BlueZ to...

USN-4291-1: mod-auth-mellon vulnerability

It was discovered that modauthmellon incorrectly handled certain requests. An attacker could possibly use this issue to redirect a user to a malicious URL...

USN-4289-1: Squid vulnerabilities

Jeriko One discovered that Squid incorrectly handled memory when connected to an FTP server. A remote attacker could possibly use this issue to obtain sensitive information from Squid memory. CVE-2019-12528 Regis Leroy discovered that Squid incorrectly handled certain HTTP requests. A remote...

USN-4097-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2019-11041, CVE-2019-11042...

USN-3853-1: GnuPG vulnerability

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks...

USN-3677-2: Linux kernel (HWE) vulnerabilities

USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. It was discovered that the netfilter subsystem of the Linux kernel did not properly validate...

USN-3629-1: 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 5.5.60 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, and Ubuntu 17.10 have been updated to MySQL 5.7.22. In addition to security fixes, the updated packag...

USN-3628-2: OpenSSL vulnerability

USN-3628-1 fixed a vulnerability in OpenSSL. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Alejandro Cabrera Aldaya, Billy Brumley, Cesar Pereida Garcia and Luis Manuel Alvarez Tapia discovered that OpenSSL incorrectly handled RSA key generation. A...

USN-3545-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. CVE-2018-5125, CVE-2018-5127, CVE-2018-5129,...

USN-3597-2: Linux kernel (HWE) vulnerabilities

USN-3597-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. USNS 3541-2 and 3523-2 provided mitigations for Spectre and Meltdown CVE-2017-5715,...

USN-3596-1: 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 via application crash or opening new tabs, escape the sandbox, bypass same-origin restrictions, obtain...

USN-3414-1: QEMU vulnerabilities

Leo Gaspard discovered that QEMU incorrectly handled VirtFS access control. A guest attacker could use this issue to elevate privileges inside the guest. CVE-2017-7493 Li Qiang discovered that QEMU incorrectly handled VMWare PVSCSI emulation. A privileged attacker inside the guest could use this...

USN-3275-3: OpenJDK 7 regression

USN-3275-2 fixed vulnerabilities in OpenJDK 7. Unfortunately, the update introduced a regression when handling TLS handshakes. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that OpenJDK improperly re-used cached NTLM connections in...

USN-3210-1: LibreOffice vulnerability

Ben Hayak discovered that it was possible to make LibreOffice Calc and Writer disclose arbitrary files to an attacker if a user opened a specially crafted file with embedded links...

USN-3207-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3207-1 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 use-after-free vulnerability existed in the block device laye...

USN-3124-1: Firefox vulnerabilities

Christian Holler, Andrew McCreight, Dan Minor, Tyson Smith, Jon Coppeard, Jan-Ivar Bruaroey, Jesse Ruderman, Markus Stange, Olli Pettay, Ehsan Akhgari, Gary Kwong, Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a special...

USN-3087-1: OpenSSL vulnerabilities

Shi Lei discovered that OpenSSL incorrectly handled the OCSP Status Request extension. A remote attacker could possibly use this issue to cause memory consumption, resulting in a denial of service. CVE-2016-6304 Guido Vranken discovered that OpenSSL used undefined behaviour when performing pointe...

USN-3084-4: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. CVE-2016-6136 It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did...

USN-3084-3: Linux kernel (Raspberry Pi 2) vulnerabilities

Pengfei Wang discovered a race condition in the audit subsystem in the Linux kernel. A local attacker could use this to corrupt audit logs or disrupt system-call auditing. CVE-2016-6136 It was discovered that the powerpc and powerpc64 hypervisor-mode KVM implementation in the Linux kernel for did...

USN-3057-1: Linux kernel (Qualcomm Snapdragon) vulnerabilities

Ben Hawkes discovered an integer overflow in the Linux netfilter implementation. On systems running 32 bit kernels, a local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges. CVE-2016-3135 It was...

USN-3049-1: Linux kernel vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

USN-3008-1: Linux kernel (Qualcomm Snapdragon) vulnerability

Jann Horn discovered that eCryptfs improperly attempted to use the mmap handler of a lower filesystem that did not implement one, causing a recursive page fault to occur. A local unprivileged attacker could use to cause a denial of service system crash or possibly execute arbitrary code with...

USN-2950-4: Samba regressions

USN-2950-1 fixed vulnerabilities in Samba. The backported fixes introduced in Ubuntu 12.04 LTS caused interoperability issues. This update fixes compatibility with certain NAS devices, and allows connecting to Samba 3.6 servers by relaxing the "client ipc signing" parameter to "auto". We apologiz...

USN-2971-3: Linux kernel (Raspberry Pi 2) 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 Zach Riggle discovered that the Linux kernel's list...

USN-2969-1: Linux kernel (Utopic HWE) 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-2934-1: Thunderbird vulnerabilities

Bob Clary, Christoph Diehl, Christian Holler, Andrew McCreight, Daniel Holbert, Jesse Ruderman, 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 denia...

USN-2914-1: OpenSSL vulnerabilities

Yuval Yarom, Daniel Genkin, and Nadia Heninger discovered that OpenSSL was vulnerable to a side-channel attack on modular exponentiation. On certain CPUs, a local attacker could possibly use this issue to recover RSA keys. This flaw is known as CacheBleed. CVE-2016-0702 Adam Langley discovered th...

USN-2861-1: libpng vulnerabilities

It was discovered that libpng incorrectly handled certain small bit-depth values. If a user or automated system using libpng were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or execute code with the privileges of the user invoking th...

USN-2846-1: Linux kernel vulnerabilities

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

USN-2702-1: Firefox vulnerabilities

Gary Kwong, Christian Holler, Byron Campen, Tyson Smith, Bobby Holley, Chris Coulson, and Eric Rahm discovered multiple memory safety issues 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...

USN-2686-1: Apache HTTP Server vulnerabilities

It was discovered that the Apache HTTP Server incorrectly parsed chunk headers. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks. CVE-2015-3183 It was discovered that the Apache HTTP Server incorrectly handled the apsomeauthrequired API. A remote attacker...

USN-2681-1: Linux kernel 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-2586-1: Linux kernel (OMAP4) vulnerability

It was discovered that the Linux kernel's IPv6 networking stack has a flaw that allows using route advertisement RA messages to set the 'hoplimit' to values that are too low. An unprivileged attacker on a local network could exploit this flaw to cause a denial of service IPv6 messages dropped...

USN-2463-1: Linux kernel vulnerabilities

A race condition with MMIO and PIO transactions in the KVM Kernel Virtual Machine subsystem of the Linux kernel was discovered. A guest OS user could exploit this flaw to cause a denial of service guest OS crash via a specially crafted application. CVE-2014-7842 The KVM kernel virtual machine...

USN-2336-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the Linux kernel virtual machine's kvm validation of interrupt requests irq. A guest OS user could exploit this flaw to cause a denial of service host OS crash. CVE-2014-0155 Andy Lutomirski discovered a flaw in the authorization of netlink socket operations when a socket...

USN-2227-1: Linux kernel (OMAP4) vulnerabilities

A flaw was discovered in the Linux kernel's pseudo tty pty device. An unprivileged user could exploit this flaw to cause a denial of service system crash or potentially gain administrator privileges. CVE-2014-0196 Matthew Daley reported an information leak in the floppy disk driver of the Linux...

USN-1924-1: Firefox vulnerabilities

Jeff Gilbert, Henrik Skupin, Ben Turner, Christian Holler, Andrew McCreight, Gary Kwong, Jan Varga and Jesse Ruderman discovered multiple memory safety issues in Firefox. If the user were tricked in to opening a specially crafted page, an attacker could possibly exploit these to cause a denial of...

USN-1798-1: Linux kernel (EC2) vulnerabilities

Mathias Krause discovered several errors in the Linux kernel's xfrmuser implementation. A local attacker could exploit these flaws to examine parts of kernel memory. CVE-2012-6537 Mathias Krause discovered information leak in the Linux kernel's compat ioctl interface. A local user could exploit t...

USN-1687-2: NSPR update

USN-1687-1 fixed a vulnerability NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: Two intermediate CA certificates were mis-issued by the TURKTRUST certificate authority. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw...

USN-1617-1: WebKit vulnerabilities

A large number of security issues were discovered in the WebKit browser 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-1594-1: Linux kernel (Oneiric backport) vulnerabilities

Vadim Ponomarev discovered a flaw in the Linux kernel causing a reference leak when PID namespaces are used. A remote attacker could exploit this flaw causing a denial of service. CVE-2012-2127 A flaw was found in how the Linux kernel's KVM Kernel-based Virtual Machine subsystem handled MSI Messa...

USN-1534-1: Linux kernel (EC2) vulnerabilities

An error was discovered in the Linux kernel's network TUN/TAP device implementation. A local user with access to the TUN/TAP interface which is not available to unprivileged users until granted by a root user could exploit this flaw to crash the system or potential gain administrative privileges...

USN-1336-1: Linux kernel vulnerability

Clement Lecigne discovered a bug in the HFS filesystem. A local attacker could exploit this to cause a kernel oops. CVE-2011-2203 A bug was discovered in the XFS filesystem's handling of pathnames. A local attacker could exploit this to crash the system, leading to a denial of service, or gain ro...

USN-1209-2: Libav vulnerabilities

It was discovered that Libav incorrectly handled certain malformed ogg files. If a user were tricked into opening a crafted ogg file, an attacker could cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program...

USN-1201-1: Linux kernel vulnerabilities

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities...

USN-826-1: Mono vulnerabilities

It was discovered that the XML HMAC signature system did not correctly check certain lengths. If an attacker sent a truncated HMAC, it could bypass authentication, leading to potential privilege escalation. CVE-2009-0217 It was discovered that Mono did not properly escape certain attributes in th...

USN-740-1: NSS vulnerability

The MD5 algorithm is known not to be collision resistant. This update blocklists the proof of concept rogue certificate authority as discussed in http://www.win.tue.nl/hashclash/rogue-ca/...

USN-728-3: Firefox vulnerabilities

Jesse Ruderman and Gary Kwong discovered flaws in the browser engine. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. CVE-2009-0772, CVE-2009-0774...

USN-522-1: openssl vulnerabilities

It was discovered that OpenSSL did not correctly perform Montgomery multiplications. Local attackers might be able to reconstruct RSA private keys by examining another user's OpenSSL processes. CVE-2007-3108 Moritz Jodeit discovered that OpenSSL's SSLgetsharedciphers function did not correctly...