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-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-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-2781-1: 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 5.5.46 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 15.04 and Ubuntu 15.10 have been updated to MySQL 5.6.27. In addition to security fixes, th...

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-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-1558-1: Linux kernel (OMAP4) vulnerability

A flaw was found in the Linux kernel's Reliable Datagram Sockets RDS protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service. CVE-2012-2372 Mathias Krause discovered an information leak in the Linux kernel's TUN/TAP device driver. A local user could...

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-319-2: Linux kernel vulnerability

USN-319-1 fixed a Linux kernel vulnerability in Ubuntu 6.06 LTS. This followup advisory provides the corresponding updates for Ubuntu 5.04 and 5.10. For reference, these are the details of the original USN: A race condition has been discovered in the file permission handling of the /proc file...

USN-255-1: openssh vulnerability

Tomas Mraz discovered a shell code injection flaw in scp. When doing local-to-local or remote-to-remote copying, scp expanded shell escape characters. By tricking an user into using scp on a specially crafted file name which could also be caught by using an innocuous wild card like '', an attacke...

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-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-6127-1: Linux kernel vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-5465-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. CVE-2022-21499 Aaron Adams discovered that the netfilter subsystem in the Linux...

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-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-5304-1: PolicyKit vulnerability

Kevin Backhouse discovered that PolicyKit incorrectly handled file descriptors. A local attacker could possibly use this issue to cause PolicyKit to crash, resulting in a denial of service...

USN-5292-3: snapd vulnerabilities

USN-5292-1 fixed several vulnerabilities in snapd. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: James Troup discovered that snap did not properly manage the permissions for the snap directories. A local attacker could possibly...

USN-5267-1: Linux kernel vulnerabilities

It was discovered that the Bluetooth subsystem in the Linux kernel contained a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2021-3640 Likang Luo discovered that a race condition existed in the...

USN-5224-1: Ghostscript vulnerabilities

It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execut...

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-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-4382-2: FreeRDP vulnerabilities

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

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-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-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...

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-4132-1: Expat vulnerability

It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information...

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-4041-2: Linux kernel (HWE) update

USN-4041-1 provided updates for the Linux kernel in Ubuntu. This update provides the corresponding updates for the Linux kernel for Ubuntu 16.04 ESM. USN-4017-2 fixed vulnerabilities in the Linux kernel. Unfortunately, the update introduced a regression that interfered with networking application...

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-3873-1: Open vSwitch vulnerabilities

It was discovered that Open vSwitch incorrectly decoded certain packets. A remote attacker could possibly use this issue to cause Open vSwitch to crash, resulting in a denial of service. CVE-2018-17204 It was discovered that Open vSwitch incorrectly handled processing certain flows. A remote...

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-3740-2: Linux kernel (HWE) vulnerabilities

USN-3740-1 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. It was discovered that memory present in the L1 data cache of an Intel CPU core may be...

USN-3582-1: Linux kernel vulnerabilities

Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contained a race condition leading to uninitialized pointer usage. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2017-17712 Laurent Guerby discovered that...

USN-3521-1: NVIDIA graphics drivers vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

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-3127-1: Linux kernel vulnerabilities

It was discovered that the compression handling code in the Advanced Linux Sound Architecture ALSA subsystem in the Linux kernel did not properly check for an integer overflow. A local attacker could use this to cause a denial of service system crash. CVE-2014-9904 Kirill A. Shutemov discovered...

USN-2994-1: libxml2 vulnerabilities

It was discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. CVE-2015-8806, CVE-2016-2073, CVE-2016-3627,...