USN-5136-1: Linux kernel vulnerabilities

It was discovered that the f2fs file system in the Linux kernel did not properly validate metadata in some situations. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system crash or possibly execute arbitrary code...

USN-5085-1: SQL parse vulnerability

It was discovered that SQL parse incorrectly handled certain regular expression. An attacker could possibly use this issue to cause a denial of service...

USN-4965-2: Apport vulnerabilities

USN-4965-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maik Münch discovered that Apport incorrectly handled certain information gathering operations. A local attacker could use these...

USN-4773-1: Drupal vulnerabilities

It was discovered that Drupal did not properly process certain input. An attacker could use this vulnerability to execute arbitrary code or completely compromise a Drupal site. CVE-2018-7600, CVE-2018-7602 It was discovered that password reset URLs in Drupal could be forged. An attacker could use...

USN-4583-2: PHP vulnerabilities

USN-4583-1 fixed vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 20.10. Original advisory details: It was discovered that PHP incorrectly handled certain encrypt ciphers. An attacker could possibly use this issue to decrease security or cause incorrect encryption...

USN-4515-1: Pure-FTPd vulnerability

Antonio Norales discovered that Pure-FTPd incorrectly handled directory aliases. An attacker could possibly use this issue to access sensitive information. CVE-2020-9274...

USN-4360-4: json-c vulnerability

USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak that was reverted in USN-4360-2 and USN-4360-3. This update provides the correct fix update for CVE-2020-12762. Original advisory details: It was discovered that json-c incorrectly handled certain JSON files. An...

USN-4303-1: Linux kernel vulnerability

Paulo Bonzini discovered that the KVM hypervisor implementation in the Linux kernel could improperly let a nested level 2 guest access the resources of a parent level 1 guest in certain situations. An attacker could use this to expose sensitive information...

USN-4297-1: runC vulnerabilities

It was discovered that runC incorrectly checked mount targets. An attacker with a malicious container image could possibly mount over the /proc directory and escalate privileges. This issue only affected Ubuntu 18.04 LTS. CVE-2019-16884 It was discovered that runC incorrectly performed access...

USN-4279-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain scripts. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS. CVE-2015-9253 It was discovered that PHP incorrectly handled certain inputs. An...

USN-4237-2: SpamAssassin vulnerabilities

USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a...

USN-4171-3: Apport regression

USN-4171-1 fixed vulnerabilities in Apport. The update caused a regression in the Python Apport library. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user...

USN-4151-2: Python vulnerabilities

USN-4151-1 fixed several vulnerabilities in Python. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Python incorrectly parsed certain email addresses. A remote attacker could possibly use this issue to tric...

USN-4143-1: SDL 2.0 vulnerabilities

It was discovered that SDL 2.0 mishandled crafted image files resulting in an integer overflow. If a user were tricked into opening a malicious file, SDL 2.0 could be caused to crash or potentially run arbitrary code. CVE-2017-2888 It was discovered that SDL 2.0 mishandled crafted image files. If...

USN-4056-1: Exiv2 vulnerabilities

It was discovered that Exiv2 incorrectly handled certain PSD files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-19107, CVE-2018-19108 It was discovered that Exiv2 incorrectly handled certain PNG files. An attacker could possibly use this issue to cause a denia...

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-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-3951-1: Dovecot vulnerability

It was discovered that the Dovecot JSON encoder incorrectly handled certain invalid UTF-8 characters. A remote attacker could possibly use this issue to cause Dovecot to repeatedly crash, resulting in a denial of service...

USN-3949-1: OpenJDK 11 vulnerability

It was discovered that a memory disclosure issue existed in the OpenJDK Library subsystem. An attacker could use this to expose sensitive information and possibly bypass Java sandbox restrictions. CVE-2019-2422 Please note that with this update, the OpenJDK package in Ubuntu 18.04 LTS has...

USN-3863-2: APT vulnerability

USN-3863-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Max Justicz discovered that APT incorrectly handled certain parameters during redirects. If a remote attacker were able to perform a machine-in-the-middle attack...

USN-3770-2: Little CMS vulnerabilities

USN-3770-1 fixed a vulnerability in Little CMS. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Pedro Ribeiro discoreved that Little CMS incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service...

USN-3655-1: Linux kernel vulnerabilities

Jann Horn and Ken Johnson discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via a sidechannel attack. This flaw is known as Spectre Variant 4. A local attacker could use this to expose sensitive information, including kernel memor...

USN-3468-3: Linux kernel (GCP) 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-3154-1: OpenJDK 6 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-2634-1: Linux kernel 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-2572-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled cleanup when used with Apache 2.4. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2015-3330 It was discovered that PHP incorrectly handled opening tar, zip or ph...

USN-2055-1: PHP vulnerabilities

Stefan Esser discovered that PHP incorrectly parsed certificates. An attacker could use a malformed certificate to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2013-6420 It was discovered that PHP incorrectly handled DateInterval objects. An attack...

USN-1629-1: libproxy vulnerabilities

Tomas Mraz discovered that libproxy incorrectly handled certain PAC files. A remote attacker could use this issue to cause libproxy to crash, or to possibly execute arbitrary code. CVE-2012-4504, CVE-2012-4505...

USN-1245-1: Linux kernel (Marvell DOVE) vulnerabilities

Ryan Sweat discovered that the kernel incorrectly handled certain VLAN packets. On some systems, a remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. CVE-2011-1576 Vasiliy Kulikov and Dan Rosenberg discovered that ecryptfs did not correctly...

USN-349-1: gzip vulnerabilities

Tavis Ormandy discovered that gzip did not sufficiently verify the validity of gzip or compress archives while unpacking. By tricking an user or automated system into unpacking a specially crafted compressed file, this could be exploited to execute arbitrary code with the user's privileges...

USN-6704-2: Linux kernel (Raspberry Pi) vulnerabilities

It was discovered that the NVIDIA Tegra XUSB pad controller driver in the Linux kernel did not properly handle return values in certain error conditions. A local attacker could use this to cause a denial of service system crash. CVE-2023-23000 Quentin Minster discovered that the KSMBD...

USN-6505-1: nghttp2 vulnerability

It was discovered that nghttp2 incorrectly handled request cancellation. A remote attacker could possibly use this issue to cause nghttp2 to consume resources, leading to a denial of service...

USN-6317-1: Linux kernel vulnerabilities

Daniel Moghimi discovered that some IntelR Processors did not properly clear microarchitectural state after speculative execution of various instructions. A local unprivileged user could use this to obtain to sensitive information. CVE-2022-40982 Tavis Ormandy discovered that some AMD processors...

USN-5537-2: MySQL vulnerability

USN-5537-1 fixed a vulnerability in MySQL. This update provides the corresponding update for Ubuntu 16.04 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 5.7.39 in...

USN-5415-1: Linux kernel vulnerabilities

Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service system crash. CVE-2020-27820 Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor...

USN-5331-2: tcpdump vulnerabilities

USN-5331-1 fixed several vulnerabilities in tcpdump. This update provides the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. Original advisory details: It was discovered that tcpdump incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial o...

USN-5345-1: Thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, bypass security restrictions, obtain sensitive information, cause undefined...

USN-5327-1: rsh vulnerability

Hiroyuki Yamamori discovered that rsh incorrectly handled certain filenames. If a user or automated system were tricked into connecting to a malicious rsh server, a remote attacker could possibly use this issue to modify directory permissions...

USN-5126-2: Bind vulnerability

USN-5126-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame cache when processing responses. A remote attacker could possibl...

USN-5121-1: Mailman vulnerabilities

Andre Protas, Richard Cloke, and Andy Nuttall discovered that Mailman did not properly associate cross-site request forgery CSRF tokens to specific accounts. A remote attacker could use this to perform a CSRF attack to gain access to another account. CVE-2021-42097 Andre Protas, Richard Cloke, an...

USN-5065-1: Open vSwitch vulnerability

It was discovered that Open vSwitch incorrectly handled decoding RAWENCAP actions. A remote attacker could use this issue to cause Open vSwitch to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4800-1: Lynx vulnerabilities

It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 16.04 ESM. CVE-2016-9179 It was discovered that Lynx incorrectly handled certain HTML files. A...

USN-4603-1: MariaDB vulnerabilities

It was discovered that MariaDB didn't properly validate the content of a packet received from a server. A remote attacker could use this vulnerability to sent a specialy crafted file to cause a denial of service. CVE-2020-13249 It was discovered that MariaDB has other security issues. An attacker...

USN-4511-1: QEMU vulnerability

Ziming Zhang, Xiao Wei, Gonglei Arei, and Yanyu Zhang discovered that QEMU incorrectly handled certain USB packets. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default...

USN-4453-1: OpenJDK 8 vulnerabilities

Johannes Kuhn discovered that OpenJDK 8 incorrectly handled access control contexts. An attacker could possibly use this issue to execute arbitrary code. CVE-2020-14556 Philippe Arteau discovered that OpenJDK 8 incorrectly verified names in TLS server's X.509 certificates. An attacker could...

USN-4433-1: OpenJDK vulnerabilities

Johannes Kuhn discovered that OpenJDK incorrectly handled access control contexts. An attacker could possibly use this issue to execute arbitrary code. CVE-2020-14556 It was discovered that OpenJDK incorrectly handled memory allocation when reading TIFF image files. An attacker could possibly use...

USN-4422-1: WebKitGTK+ vulnerabilities

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-4223-1: OpenJDK vulnerabilities

Jan Jancar, Petr Svenda, and Vladimir Sedlacek discovered that a side- channel vulnerability existed in the ECDSA implementation in OpenJDK. An Attacker could use this to expose sensitive information. CVE-2019-2894 It was discovered that the Socket implementation in OpenJDK did not properly...

USN-4214-1: RabbitMQ vulnerability

It was discovered that RabbitMQ incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code...

USN-4166-2: PHP vulnerability

USN-4166-1 fixed a vulnerability 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 handled certain paths when being used in FastCGI configurations. A remote attacker could possibly use...