USN-4742-1 python-django vulnerability

It was discovered that Django incorrectly accepted semicolons as query parameters. A remote attacker could possibly use this issue to perform a Web Cache Poisoning attack...

USN-4728-1 snapd vulnerability

Gilad Reti and Nimrod Stoler discovered that snapd did not correctly specify cgroup delegation when generating systemd service units for various container management snaps. This could allow a local attacker to escalate privileges via access to arbitrary devices of the container host from within a...

USN-4725-1 qemu vulnerabilities

It was discovered that QEMU incorrectly handled memory in iSCSI emulation. An attacker inside the guest could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. CVE-2020-11947 Alexander Bulekov discovered tha...

USN-4720-2 apport vulnerabilities

USN-4720-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Itai Greenhut discovered that Apport incorrectly parsed certain files in the /proc filesystem. A local attacker could use this issue to escalate...

USN-4467-2 qemu vulnerabilities

USN-4467-1 fixed several vulnerabilities in QEMU. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that the QEMU SD memory card implementation incorrectly handled certain memory operations. An attacker inside a guest could possibly u...

USN-4689-3 nvidia-graphics-drivers-418-server, nvidia-graphics-drivers-450-server vulnerabilities

It was discovered that the NVIDIA GPU display driver for the Linux kernel contained a vulnerability that allowed user-mode clients to access legacy privileged APIs. A local attacker could use this to cause a denial of service or escalate privileges. CVE-2021-1052 It was discovered that the NVIDIA...

USN-4658-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

It was discovered that a race condition existed in the binder IPC implementation in the Linux kernel, leading to 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-2020-0423 Daniele Antonioli, Nils Ole...

USN-4661-1 snapcraft vulnerability

It was discovered that Snapcraft includes the current directory when configuring LDLIBRARYPATH for application commands. If a user were tricked into installing a malicious snap or downloading a malicious library, under certain circumstances an attacker could exploit this to affect strict mode sna...

USN-4651-1 mysql-8.0 vulnerabilities

Tom Reynolds discovered that due to a packaging error, the MySQL X Plugin was listening to all network interfaces by default, contrary to expectations. This update changes the default MySQL configuration to bind the MySQL X Plugin to localhost only. This change may impact environments where the...

USN-4646-2 poppler regression

USN-4646-1 fixed vulnerabilities in poppler. The fix for CVE-2019-10871 introduced a regression causing certain applications linked against poppler to fail. This update backs out the fix pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovere...

USN-4649-1 xdg-utils vulnerability

Jens Mueller discovered that xdg-utils incorrectly handled certain URI. An attacker could possibly use this issue to expose sensitive information...

USN-4646-1 poppler vulnerabilities

It was discovered that Poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could cause a denial of service...

USN-4607-2 openjdk-8, openjdk-lts regressions

USN-4607-1 fixed vulnerabilities and added features in OpenJDK. Unfortunately, that update introduced a regression that could cause TLS connections with client certificate authentication to fail in some situations. This update fixes the problem. We apologize for the inconvenience. Original adviso...

USN-4564-1 tika vulnerabilities

It was discovered that Apache Tika can have an excessive memory usage by using a crafted or corrupt PSD file. An attacker could use it to cause a denial of service crash. CVE-2020-1950, CVE-2020-1951...

USN-4562-1 ruby-kramdown vulnerability

It was discovered that kramdown insecurely handled certain crafted input. An attacker could use this vulnerability to read restricted files or execute arbitrary code...

USN-4547-2 ssvnc vulnerabilities

It was discovered that the LibVNCClient vendored in SSVNC incorrectly handled certain packet lengths. A remote attacker could possibly use this issue to obtain sensitive information, cause a denial of service, or execute arbitrary code. CVE-2018-20020, CVE-2018-20021, CVE-2018-20022, CVE-2018-202...

USN-4553-1 teeworlds vulnerability

It was discovered that Teeworlds server did not properly handler certain network traffic. A remote, unauthenticated attacker could use this vulnerability to cause Teeworlds server to crash...

USN-4551-1 squid3 vulnerabilities

Alex Rousskov and Amit Klein discovered that Squid incorrectly handled certain Content-Length headers. A remote attacker could possibly use this issue to perform an HTTP request smuggling attack, resulting in cache poisoning. CVE-2020-15049 Amit Klein discovered that Squid incorrectly validated...

USN-4541-1 gnuplot vulnerabilities

Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars discovered that Gnuplot did not properly validate string sizes in the dfgenerateasciiarrayentry function. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service attack or arbitra...

USN-4503-1 libdbi-perl vulnerability

It was discovered that Perl DBI module incorrectly handled certain calls. An attacker could possibly use this issue to execute arbitrary code...

USN-4495-1 Apache Log4j vulnerability

It was discovered that Apache Log4j does not properly deserialize untrusted data. An attacker could possibly use this issue to remotely execute arbitrary code. CVE-2019-17571...

USN-4483-1 linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities

Chuhong Yuan discovered that go7007 USB audio device driver in the Linux kernel did not properly deallocate memory in some failure conditions. A physically proximate attacker could use this to cause a denial of service memory exhaustion. CVE-2019-20810 Fan Yang discovered that the mremap...

USN-4439-1 linux-gke-5.0, linux-oem-osp1 vulnerabilities

It was discovered that the network block device nbd implementation in the Linux kernel did not properly check for error conditions in some situations. An attacker could possibly use this to cause a denial of service system crash. CVE-2019-16089 It was discovered that the btrfs file system...

USN-4417-1 nss vulnerability

Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered that NSS incorrectly handled RSA key generation. A local attacker could possibly use this issue to perform a timing attack and recover RSA keys...

USN-4416-1 glibc vulnerabilities

Florian Weimer discovered that the GNU C Library incorrectly handled certain memory operations. A remote attacker could use this issue to cause the GNU C Library to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. CVE-2017-121...

USN-4415-1 coturn vulnerabilities

Felix Dörre discovered that coTURN response buffer is not initialized properly. An attacker could possibly use this issue to obtain sensitive information. CVE-2020-4067 It was discovered that coTURN web server incorrectly handled HTTP POST requests. An attacker could possibly use this issue to...

USN-4401-1 mutt vulnerabilities

It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to enable MITM attacks. CVE-2020-14093 It was discovered that Mutt incorrectly handled certain requests. An attacker could possibly use this issue to proceeds with a connection even if the...

USN-4381-2 python-django vulnerabilities

USN-4381-1 fixed several vulnerabilities in Django. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Dan Palmer discovered that Django incorrectly validated memcached cache keys. A remote attacker could possibly use this issue to cause a denial of...

USN-4367-1 linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oracle, linux-raspi, linux-riscv vulnerabilities

It was discovered that the btrfs implementation in the Linux kernel did not properly detect that a block was marked dirty in some situations. An attacker could use this to specially craft a file system image that, when unmounted, could cause a denial of service system crash. CVE-2019-19377 It was...

USN-4349-1 edk2 vulnerabilities

A buffer overflow was discovered in the network stack. An unprivileged user could potentially enable escalation of privilege and/or denial of service. This issue was already fixed in a previous release for 18.04 LTS and 19.10. CVE-2018-12178 A buffer overflow was discovered in BlockIo service. An...

USN-4318-1 linux, linux-hwe vulnerabilities

Al Viro discovered that the vfs layer 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 expose sensitive information kernel memory. CVE-2020-8428 Gustavo Romero and Paul Mackerras discovered that th...

USN-4292-1 rsync vulnerabilities

It was discovered that rsync incorrectly handled pointer arithmetic in zlib. An attacker could use this issue to cause rsync to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2016-9840, CVE-2016-9841 It was discovered that rsync incorrectly handled vectors...

USN-4286-2 linux-lts-xenial, linux-aws vulnerabilities

USN-4286-1 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. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4282-1 postgresql-10, postgresql-11 vulnerability

It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER ... DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions...

USN-4271-1 mesa vulnerability

Tim Brown discovered that Mesa incorrectly handled shared memory permissions. A local attacker could use this issue to obtain and possibly alter sensitive information belonging to another user...

USN-4254-2 linux-lts-xenial, linux-aws vulnerabilities

USN-4254-1 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. It was discovered that the Linux kernel did not properly clear data structures on...

USN-4223-1 openjdk-8, openjdk-lts 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-4214-2 librabbitmq vulnerability

USN-4214-1 fixed a vulnerability in RabbitMQ. This update provides the corresponding updates for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: It was discovered that RabbitMQ incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary cod...

USN-4207-1 graphicsmagick vulnerabilities

It was discovered that GraphicsMagick incorrectly handled certain image files. An attacker could possibly use this issue to cause a denial of service or other unspecified impact...

USN-4191-1 qemu vulnerabilities

It was discovered that the LSI SCSI adapter emulator implementation in QEMU did not properly validate executed scripts. A local attacker could use this to cause a denial of service. CVE-2019-12068 Sergej Schumilo, Cornelius Aschermann and Simon Wörner discovered that the qxl paravirtual graphics...

USN-4047-1 libvirt vulnerabilities

Matthias Gerstner and Ján Tomko discovered that libvirt incorrectly handled certain API calls. An attacker could possibly use this issue to check for arbitrary files, or execute arbitrary binaries. In the default installation, attackers would be isolated by the libvirt AppArmor profile...

USN-4007-2 linux-aws-hwe, linux-hwe, linux-oracle 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-3982-2 linux-lts-xenial vulnerabilities

USN-3982-1 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 for Ubuntu 14.04 LTS. Ke Sun, Henrique Kawakami, Kekai Hu, Rodrigo Branco, Giorgi Maisuradze, Dan Horea Lutas,...

USN-3957-1 mysql-5.7 vulnerabilities

Multiple security issues were discovered in MySQL and this update includes a new upstream MySQL version to fix these issues. Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, Ubuntu 18.10, and Ubuntu 19.04 have been updated to MySQL 5.7.26. In addition to security fixes, the updated packages contain bug fixes,...

USN-3944-1 wpa vulnerabilities

It was discovered that wpasupplicant and hostapd were vulnerable to a side channel attack against EAP-pwd. A remote attacker could possibly use this issue to recover certain passwords. CVE-2019-9495 Mathy Vanhoef discovered that wpasupplicant and hostapd incorrectly validated received scalar and...

USN-3917-1 snapd vulnerability

The snapd default seccomp filter for strict mode snaps blocks the use of the ioctl system call when used with TIOCSTI as the second argument to the system call. Jann Horn discovered that this restriction could be circumvented on 64 bit architectures. A malicious snap could exploit this to bypass...

USN-3879-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Wen Xu discovered that the ext4 file system implementation in the Linux kernel could possibly perform an out of bounds write when updating the journal for an inline file. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system cras...

USN-3847-2 linux-hwe, linux-aws-hwe, linux-azure, linux-gcp vulnerabilities

USN-3847-1 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 a race condition existed in the raw MIDI driver for the Linux...

USN-3840-1 openssl, openssl1.0 vulnerabilities

Samuel Weiser discovered that OpenSSL incorrectly handled DSA signing. An attacker could possibly use this issue to perform a timing side-channel attack and recover private DSA keys. CVE-2018-0734 Samuel Weiser discovered that OpenSSL incorrectly handled ECDSA signing. An attacker could possibly...

USN-3820-3 linux-azure vulnerabilities

Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not properly perform input validation in some situations. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-15471 It was discovered that the generic SCSI...