USN-4033-1: libmysofa vulnerability

It was discovered that a libmysofa component does not properly validate multiplications and additions, and may crash with some specific input...

USN-3969-1: wpa_supplicant and hostapd vulnerability

It was discovered that wpasupplicant and hostapd incorrectly handled unexpected fragments when using EAP-pwd. A remote attacker could possibly use this issue to cause a denial of service...

USN-3881-2: Dovecot vulnerability

USN-3881-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field...

USN-3849-1: Linux kernel vulnerabilities

It was discovered that a NULL pointer dereference existed in the keyring subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-2647 It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to ...

USN-3834-2: Perl vulnerabilities

USN-3834-1 fixed a vulnerability in perl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Jayakrishna Menon discovered that Perl incorrectly handled Perlmysetenv. An attacker could use this issue to cause Perl to crash, resulting in a denial of...

USN-3741-1: Linux kernel vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

USN-3566-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled the PHAR 404 error page. A remote attacker could possibly use this issue to conduct cross-site scripting XSS attacks. CVE-2018-5712 It was discovered that PHP incorrectly handled memory when unserializing certain data. A remote attacker could use thi...

USN-3311-2: libnl vulnerability

USN-3311-1 fixed a vulnerability in libnl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libnl incorrectly handled memory when performing certain operations. A local attacker could possibly use this issue to cause libnl to...

USN-3179-1: OpenJDK 8 vulnerabilities

Karthik Bhargavan and Gaetan Leurent discovered that the DES and Triple DES ciphers were vulnerable to birthday attacks. A remote attacker could possibly use this flaw to obtain clear text data from long encrypted sessions. This update moves those algorithms to the legacy algorithm set and causes...

USN-3167-1: Linux kernel vulnerabilities

Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not properly initialize the Code Segment CS in certain error cases. A local attacker could use this to expose sensitive information kernel memory. Baozeng Ding discovered a race condition that could lead to a use-after-...

USN-3128-3: Linux kernel (Qualcomm Snapdragon) vulnerability

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash...

USN-2943-1: PCRE vulnerabilities

It was discovered that PCRE incorrectly handled certain regular expressions. A remote attacker could use this issue to cause applications using PCRE to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-2299-1: Apache HTTP Server vulnerabilities

Marek Kroemeke discovered that the modproxy module incorrectly handled certain requests. A remote attacker could use this issue to cause the server to stop responding, leading to a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2014-0117 Giancarlo Pellegrino and Davide Balzarot...

USN-1627-1: Apache HTTP Server vulnerabilities

It was discovered that the modnegotiation module incorrectly handled certain filenames, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output durin...

USN-1126-1: PHP vulnerabilities

Stephane Chazelas discovered that the /etc/cron.d/php5 cron job for PHP 5.3.5 allows local users to delete arbitrary files via a symlink attack on a directory under /var/lib/php5/. CVE-2011-0441 Raphael Geisert and Dan Rosenberg discovered that the PEAR installer allows local users to overwrite...

USN-6821-3: Linux kernel (AWS) vulnerabilities

It was discovered that the ATA over Ethernet AoE driver in the Linux kernel contained a race condition, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6270 It was discovered that the Atheros 802.11ac...

USN-6605-1: Linux kernel vulnerabilities

Lin Ma discovered that the netfilter subsystem in the Linux kernel did not properly validate network family support while creating a new netfilter table. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2023-6040 It was discovered that the CIFS...

USN-6510-1: Apache HTTP Server vulnerability

David Shoon discovered that the Apache HTTP Server modmacro module incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause the server to crash, resulting in a denial of service...

USN-5486-1: Intel Microcode vulnerabilities

It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service. CVE-2021-0127 Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could u...

USN-5467-1: 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-5463-1: NTFS-3G vulnerabilities

It was discovered that NTFS-3G incorrectly handled the ntfsck tool. If a user or automated system were tricked into using ntfsck on a specially crafted disk image, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2021-46790 Roman Fiedler discovered that NTFS-3G...

USN-5390-2: Linux kernel (Raspberry Pi) vulnerabilities

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-1015 David Bouman discovered that the netfilter subsystem in t...

USN-5125-1: PHP vulnerability

It was discovered that PHP-FPM in PHP incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-5033-1: Perl vulnerability

It was discovered that the Perl Encode library incorrectly handled paths. A local attacker could possibly use this issue to trick the library into executing arbitrary code from the current working directory...

USN-4905-1: X.Org X Server vulnerability

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain lengths of XInput extension ChangeFeedbackControl requests. An attacker could use this issue to cause the server to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4667-2: APT vulnerability

USN-4667-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Kevin Backhouse discovered that APT incorrectly handled certain packages. A local attacker could possibly use this issue to cause APT to crash or stop responding...

USN-4337-1: OpenJDK vulnerabilities

It was discovered that OpenJDK incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a denial of service while processing a specially crafted regular expression. CVE-2020-2754, CVE-2020-2755 It was discovered that OpenJDK incorrectly handled class...

USN-4334-1: Git vulnerability

Carlo Arenas discovered that Git incorrectly handled certain URLs containing newlines, empty hosts, or lacking a scheme. A remote attacker could possibly use this issue to trick Git into returning credential information for a wrong host...

USN-4187-1: Linux kernel vulnerability

Stephan van Schaik, Alyssa Milburn, Sebastian Österlund, Pietro Frigo, Kaveh Razavi, Herbert Bos, Cristiano Giuffrida, Giorgi Maisuradze, Moritz Lipp, Michael Schwarz, Daniel Gruss, and Jo Van Bulck discovered that Intel processors using Transactional Synchronization Extensions TSX could expose...

USN-4171-1: Apport vulnerabilities

Kevin Backhouse discovered Apport would read its user-controlled settings file as the root user. This could be used by a local attacker to possibly crash Apport or have other unspecified consequences. CVE-2019-11481 Sander Bos discovered a race-condition in Apport during core dump creation. This...

USN-3954-1: FreeRADIUS vulnerabilities

It was discovered that FreeRADIUS incorrectly handled certain inputs. An attacker could possibly use this issue to bypass authentication. CVE-2019-11234, CVE-2019-11235...

USN-3129-1: Linux kernel vulnerability

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash...

USN-3021-1: Linux kernel vulnerabilities

Andrey Konovalov discovered that the CDC Network Control Model USB driver in the Linux kernel did not cancel work events queued if a later error occurred, resulting in a use-after-free. An attacker with physical access could use this to cause a denial of service system crash. CVE-2016-3951 Kangji...

USN-2288-1: Linux kernel (Trusty HWE) 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-1239-1: Linux kernel (EC2) 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-1069-1: Mailman vulnerabilities

It was discovered that Mailman did not properly sanitize certain fields, resulting in cross-site scripting XSS vulnerabilities. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to...

USN-853-1: Firefox and Xulrunner vulnerabilities

Alin Rad Pop discovered a heap-based buffer overflow in Firefox when it converted strings to floating point numbers. 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 invoki...

USN-7387-1: Linux kernel 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: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - Supe...

USN-6729-1: Apache HTTP Server vulnerabilities

Orange Tsai discovered that the Apache HTTP Server incorrectly handled validating certain input. A remote attacker could possibly use this issue to perform HTTP request splitting attacks. CVE-2023-38709 Keran Mu and Jianjun Chen discovered that the Apache HTTP Server incorrectly handled validatin...

USN-5805-1: Apache Maven vulnerability

It was discovered that Apache Maven followed repositories that are defined in a dependency’s Project Object Model pom even if the repositories weren't encryptedh http protocol. An attacker could use this vulnerability to take over a repository, execute arbitrary code or cause a denial of service...

USN-5400-2: MySQL vulnerabilities

USN-5400-1 fixed several vulnerabilities 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 in...

USN-5352-1: Libtasn1 vulnerability

It was discovered that Libtasn1 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service...

LSN-0082-1: Kernel Live Patch Security Notice

Jann Horn discovered that the tty subsystem of the Linux kernel did not use consistent locking in some situations, leading to a read-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly expose sensitive information kernel...

USN-5128-1: Ceph vulnerabilities

Goutham Pacha Ravi, Jahson Babel, and John Garbutt discovered that user credentials in Ceph could be manipulated in certain environments. An attacker could use this to gain unintended access to resources. This issue only affected Ubuntu 18.04 LTS. CVE-2020-27781 It was discovered that Ceph...

USN-5076-1: Git vulnerability

It was discovered that Git allowed newline characters in certain repository paths. An attacker could potentially use this issue to perform cross-protocol requests...

USN-5063-1: HAProxy vulnerabilities

Ori Hollander discovered that HAProxy incorrectly handled HTTP header name length encoding. A remote attacker could possibly use this issue to inject a duplicate content-length header and perform request smuggling attacks...

USN-5027-2: PEAR vulnerability

USN-5027-1 fixed a vulnerability in PEAR. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that PEAR incorrectly handled symbolic links in archives. A remote attacker could possibly use this issue to execute arbitrary code...

USN-5026-1: QPDF vulnerabilities

It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS. CVE-2018-18020 It was discovered that QPDF incorrectly handled certa...

USN-4721-1: Flatpak vulnerability

Simon McVittie discovered that flatpak-portal service allowed sandboxed applications to execute arbitrary code on the host system a sandbox escape. A malicious user could create a Flatpak application that set environment variables, trusted by the Flatpak "run" command, and use it to execute...

USN-4653-2: containerd vulnerability

USN-4653-1 fixed a vulnerability in containerd. Unfortunately, those containerd packages introduced a regression in docker.io and the update was reverted. This update addresses the docker.io issue and reintroduces the fixes from USN-4653-1. We apologize for the inconvenience...