USN-4030-1: web2py vulnerabilities

It was discovered that web2py does not properly check denied hosts before verifying passwords. An attacker could possibly use this issue to perform brute-force attacks. CVE-2016-10321 It was discovered that web2py allows remote attackers to obtain environment variable values. An attacker could...

USN-3977-3: Intel Microcode update

USN-3977-1 and USN-3977-2 provided mitigations for Microarchitectural Data Sampling MDS vulnerabilities in Intel Microcode for a large number of Intel processor families. This update provides the corresponding updated microcode mitigations for the Intel Sandy Bridge processor family Ke Sun,...

USN-4028-1: 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, or execute arbitrary code...

USN-4027-1: PostgreSQL vulnerability

Alexander Lakhin discovered that PostgreSQL incorrectly handled authentication. An authenticated attacker or a rogue server could use this issue to cause PostgreSQL to crash, resulting in a denial of service, or possibly execute arbitrary code. The default compiler options for affected releases...

USN-4023-1: Mosquitto vulnerabilities

It was discovered that Mosquitto broker incorrectly handled certain specially crafted input and network packets. A remote attacker could use this to cause a denial of service...

USN-4026-1: Bind vulnerability

It was discovered that Bind incorrectly handled certain malformed packets. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...

USN-4024-1: Evince update

As a security improvement, this update adjusts the AppArmor profile for the Evince thumbnailer to reduce access to the system and adjusts the AppArmor profile for Evince and Evince previewer to limit access to the DBus system bus. Additionally adjust the evince abstraction to disallow writes on...

USN-4022-1: Gunicorn vulnerability

It was discovered that gunicorn improperly handled certain input. An attacker could potentially use this issue execute a cross-site scripting XSS attack...

USN-4019-2: SQLite vulnerabilities

USN-4019-1 fixed several vulnerabilities in sqlite3. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that SQLite incorrectly handled certain SQL files. An attacker could possibly use this issue to execute arbitrary cod...

USN-4020-1: Firefox vulnerability

A type confusion bug was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this by causing a denial of service, or executing arbitrary code...

USN-4021-1: libvirt vulnerabilities

Daniel P. Berrangé discovered that libvirt incorrectly handled socket permissions. A local attacker could possibly use this issue to access libvirt. CVE-2019-10132 It was discovered that libvirt incorrectly performed certain permission checks. A remote attacker could possibly use this issue to...

USN-4019-1: SQLite vulnerabilities

It was discovered that SQLite incorrectly handled certain SQL files. An attacker could possibly use this issue to execute arbitrary code or cause a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2017-2518, CVE-2017-2520 It was discovered that SQLite incorrectly handled certain...

USN-4018-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled certain RPC messages. A remote attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. CVE-2019-12435 It was discovered that Samba incorrectly handled LDAP pages searches. A remote attacker could possibly u...

USN-4017-1: Linux kernel vulnerabilities

Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when handling certain TCP Selective Acknowledgment SACK sequences. A remote attacker could use this to cause a denial of service. CVE-2019-11478 Jonathan Looney discovered that an...

USN-4017-2: Linux kernel vulnerabilities

USN-4017-1 fixed vulnerabilities in the Linux kernel for Ubuntu. This update provides the corresponding updates for the Linux kernel for Ubuntu 16.04 ESM and Ubuntu 14.04 ESM. Jonathan Looney discovered that the TCP retransmission queue implementation in the Linux kernel could be fragmented when...

USN-3991-3: Firefox regression

USN-3991-1 fixed vulnerabilities in Firefox, and USN-3991-2 fixed a subsequent regression. The update caused an additional regression that resulted in Firefox failing to load correctly after executing it in safe mode. This update fixes the problem. We apologize for the inconvenience. Original...

USN-4015-2: DBus vulnerability

USN-4015-1 fixed a vulnerability in DBus. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Joe Vennix discovered that DBus incorrectly handled DBUSCOOKIESHA1 authentication. A local attacker could possibly use this issue to bypass...

USN-4016-2: Neovim vulnerability

It was discovered that Neovim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. CVE-2019-12735...

USN-4016-1: Vim vulnerabilities

It was discovered that Vim incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. CVE-2017-5953 It was discovered that Vim incorrectly handled certain files. An attacker could possibly use this issue to...

USN-4015-1: DBus vulnerability

Joe Vennix discovered that DBus incorrectly handled DBUSCOOKIESHA1 authentication. A local attacker could possibly use this issue to bypass authentication and connect to DBus servers with elevated privileges...

USN-4014-2: GLib vulnerability

USN-4014-1 fixed a vulnerability in GLib. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information...

USN-4014-1: GLib vulnerability

It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information...

USN-4013-1: libsndfile vulnerabilities

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

USN-4012-1: elfutils vulnerabilities

It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated system were tricked into processing a specially crafted file, elfutils could be made to crash or consume resources, resulting in a denial of service...

USN-4008-3: Linux kernel (Xenial HWE) vulnerabilities

USN-4008-1 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 ESM. Robert Święcki discovered that the Linux kernel did not properly apply Address Space...

USN-3991-2: Firefox regression

USN-3991-1 fixed vulnerabilities in Firefox. The update caused a regression which resulted in issues when upgrading between Ubuntu releases. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user...

USN-4011-2: Jinja2 vulnerabilities

USN-4011-1 fixed several vulnerabilities in Jinja2. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Olivier Dony discovered that Jinja incorrectly handled str.format. An attacker could possibly use this issue to escape the sandbo...

USN-4011-1: Jinja2 vulnerabilities

Olivier Dony discovered that Jinja incorrectly handled str.format. An attacker could possibly use this issue to escape the sandbox. This issue only affected Ubuntu 16.04 LTS. CVE-2016-10745 Brian Welch discovered that Jinja incorrectly handled str.formatmap. An attacker could possibly use this...

USN-4008-2: AppArmor update

USN-4008-1 fixed multiple security issues in the Linux kernel. This update provides the corresponding changes to AppArmor policy for correctly operating under the Linux kernel with fixes for CVE-2019-11190. Without these changes, some profile transitions may be unintentionally denied due to missi...

USN-3957-3: MariaDB vulnerabilities

USN-3957-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2614 and CVE-2019-2627 in MariaDB 10.1. Ubuntu 18.04 LTS has been updated to MariaDB 10.1.40. In addition to security fixes, the updated package contain bug fixes, new features, and...

USN-4009-2: PHP vulnerabilities

USN-4009-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that PHP incorrectly decoding certain MIME headers. A remote attacker could possibly use this issue to cause PHP t...

USN-4010-1: Exim vulnerability

It was discovered that Exim incorrectly handled certain decoding operations. A remote attacker could possibly use this issue to execute arbitrary commands...

USN-4009-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain exif tags in images. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2019-11036 It was discovered that PHP incorrectly decoding certain MIME headers...

USN-4007-2: Linux kernel (HWE) vulnerability

USN-4007-1 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. Federico Manuel Bento discovered that the Linux kernel did not properly apply Address...

USN-4006-2: Linux kernel (HWE) vulnerability

USN-4006-1 fixed a vulnerability in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space...

USN-4008-1: Linux kernel vulnerabilities

Robert Święcki discovered that the Linux kernel did not properly apply Address Space Layout Randomization ASLR in some situations for setuid elf binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid elf binary. CVE-2019-11190 It was...

USN-4007-1: Linux kernel vulnerability

Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space Layout Randomization ASLR in some situations for setuid a.out binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid a.out binary. As a hardeni...

USN-4005-1: Linux kernel vulnerabilities

It was discovered that a null pointer dereference vulnerability existed in the LSI Logic MegaRAID driver in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2019-11810 It was discovered that a race condition leading to a use-after-free existed in th...

USN-4006-1: Linux kernel vulnerability

Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space Layout Randomization ASLR in some situations for setuid a.out binaries. A local attacker could use this to improve the chances of exploiting an existing vulnerability in a setuid a.out binary. As a hardeni...

USN-4004-2: Berkeley DB vulnerability

USN-4004-1 fixed a vulnerability in Berkeley DB. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that Berkeley DB incorrectly handled certain inputs. An attacker could possibly use this issue to read sensitive information...

USN-4004-1: Berkeley DB vulnerability

It was discovered that Berkeley DB incorrectly handled certain inputs. An attacker could possibly use this issue to read sensitive information...

USN-4003-1: Qt vulnerabilities

It was discovered that Qt incorrectly handled certain XML documents. A remote attacker could use this issue with a specially crafted XML document to cause Qt to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-15518 It was discovered that Qt incorrectly handle...

USN-4002-1: Doxygen vulnerability

It was discovered that Doxygen incorrectly handled certain queries. An attacker could possibly use this issue to execute arbitrary code and compromise sensitive information...

USN-4001-2: libseccomp vulnerability

USN-4001-1 fixed a vulnerability in libseccomp. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operators LT, GT, LE, GE. An attacker...

USN-4001-1: libseccomp vulnerability

Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operators LT, GT, LE, GE. An attacker could use this to bypass intended access restrictions for argument-filtered system calls...

USN-4000-1: Corosync vulnerability

It was discovered that Corosync incorrectly handled certain requests. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code...

USN-3999-1: GnuTLS vulnerabilities

Eyal Ronen, Kenneth G. Paterson, and Adi Shamir discovered that GnuTLS was vulnerable to a timing side-channel attack known as the "Lucky Thirteen" issue. A remote attacker could possibly use this issue to perform plaintext-recovery attacks via analysis of timing data. This issue only affected...

USN-3998-1: Evolution Data Server vulnerability

Marcus Brinkmann discovered that Evolution Data Server did not correctly interpret the output from GPG when decrypting encrypted messages. Under certain circumstances, this could result in displaying clear-text portions of encrypted messages as though they were encrypted...

USN-3968-2: Sudo vulnerability

USN-3968-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: 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...

USN-3996-1: GNU Screen vulnerability

Kuang-che Wu discovered that GNU Screen improperly handled certain input. An attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service or the execution of arbitrary code...