USN-4747-1: GNU Screen vulnerability

Felix Weinmann discovered that GNU Screen incorrectly handled certain character sequences. A remote attacker could use this issue to cause GNU Screen to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4741-1: Jackson vulnerabilities

It was discovered that Jackson Databind incorrectly handled deserialization. An attacker could possibly use this issue to execute arbitrary code...

USN-4704-1: 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. CVE-2017-12562 It was discovered that libsndfile incorrectly handled certain...

LSN-0067-1: Kernel Live Patch Security Notice

It was discovered that the Serial CAN interface driver in the Linux kernel did not properly initialize data. A local attacker could use this to expose sensitive information kernel memory. CVE-2020-11494...

USN-4325-1: Linux kernel vulnerabilities

It was discovered that the IPMI message handler implementation in the Linux kernel did not properly deallocate memory in certain situations. A local attacker could use this to cause a denial of service kernel memory exhaustion. CVE-2019-19046 Al Viro discovered that the vfs layer in the Linux...

USN-4205-1: SQLite vulnerabilities

It was discovered that SQLite incorrectly handled certain schemas. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 12.04 ESM. CVE-2018-8740 It was discovered that SQLite incorrectly handled certain schemas. An attacker could possibly use thi...

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-3865-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-20481, CVE-2018-20650...

USN-3695-1: Linux kernel vulnerabilities

Wen Xu discovered that the ext4 filesystem implementation in the Linux kernel did not properly initialize the crc32c checksum driver. A local attacker could use this to cause a denial of service system crash. CVE-2018-1094 It was discovered that the cdrom driver in the Linux kernel contained an...

USN-3561-1: libvirt update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...

USN-5998-1: Apache Log4j vulnerabilities

It was discovered that the SocketServer component of Apache Log4j 1.2 incorrectly handled deserialization. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. CVE-2019-17571 It was discovered that the JMSSink component of Apache Log4j 1....

USN-4781-1: Slurm vulnerabilities

It was discovered that Slurm incorrectly handled certain messages between the daemon and the user. An attacker could possibly use this issue to assume control of an arbitrary file on the system. This issue only affected Ubuntu 16.04 ESM. CVE-2016-10030 It was discovered that Slurm mishandled SPAN...

USN-5259-1: Cron vulnerabilities

It was discovered that the postinst maintainer script in Cron unsafely handled file permissions during package install or update operations. An attacker could possibly use this issue to perform a privilege escalation attack. CVE-2017-9525 Florian Weimer discovered that Cron incorrectly handled...

USN-5175-1: NTP vulnerability

It was discovered that ntpd incorrectly handled memory when CMAC keys were used. A remote attacker could possibly use this issue to cause ntpd to crash resulting in a denial of service...

USN-5078-3: Squashfs-Tools vulnerability

USN-5078-1 fixed a vulnerability in Squashfs-Tools. That update was incomplete and could still result in Squashfs-Tools mishandling certain malformed SQUASHFS files. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Richard Weinberger discovered that...

USN-5078-1: Squashfs-Tools vulnerability

Richard Weinberger discovered that Squashfs-Tools mishandled certain malformed SQUASHFS files. An attacker could use this vulnerability to write arbitrary files to the filesystem...

USN-5024-1: 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-4922-1: Ruby vulnerability

Juho Nurminen discovered that the REXML gem bundled with Ruby incorrectly parsed and serialized XML documents. A remote attacker could possibly use this issue to perform an XML round-trip attack...

USN-4577-1: Linux kernel vulnerabilities

Hadar Manor discovered that the DCCP protocol implementation in the Linux kernel improperly handled socket reuse, 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-2020-16119 Giuseppe Scriva...

USN-4365-2: Bind vulnerabilities

USN-4365-1 fixed several vulnerabilities in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: Lior Shafir, Yehuda Afek, and Anat Bremler-Barr discovered that Bind incorrectly limited certain fetches. A remote attacker could possibly...

USN-4284-1: Linux kernel vulnerabilities

It was discovered that the Linux kernel did not properly clear data structures on context switches for certain Intel graphics processors. A local attacker could use this to expose sensitive information. CVE-2019-14615 It was discovered that the Atheros 802.11ac wireless USB device driver in the...

USN-4122-1: Firefox vulnerabilities

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to obtain sensitive information, bypass Content Security Policy CSP protections, bypass same-origin restrictions, conduct cross-site...

USN-4098-1: wpa_supplicant and hostapd vulnerability

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...

USN-3674-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3674-1 fixed vulnerabilities in the Linux kernel for Ubuntu 14.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 14.04 LTS for Ubuntu 12.04 ESM. It was discovered that the netfilter subsystem of the Linux kernel did not properly...

USN-6534-3: Linux kernel vulnerabilities

It was discovered that the USB subsystem in the Linux kernel contained a race condition while handling device descriptors in certain situations, leading to a out-of-bounds read vulnerability. A local attacker could possibly use this to cause a denial of service system crash. CVE-2023-37453 Lin Ma...

USN-6026-1: Vim vulnerabilities

It was discovered that Vim was incorrectly processing Vim buffers. An attacker could possibly use this issue to perform illegal memory access and expose sensitive information. This issue only affected Ubuntu 20.04 LTS. CVE-2021-4166 It was discovered that Vim was using freed memory when dealing...

USN-5964-1: curl vulnerabilities

Harry Sintonen discovered that curl incorrectly handled certain TELNET connection options. Due to lack of proper input scrubbing, curl could pass on user name and telnet options to the server as provided, contrary to expectations. CVE-2023-27533 Harry Sintonen discovered that curl incorrectly...

USN-5542-1: Samba vulnerabilities

It was discovered that Samba did not handle MaxQueryDuration when being used in AD DC configurations, contrary to expectations. This issue only affected Ubuntu 20.04 LTS. CVE-2021-3670 Luke Howard discovered that Samba incorrectly handled certain restrictions associated with changing passwords. A...

USN-5353-1: Linux kernel (OEM) vulnerability

It was discovered that the IPsec implementation in the Linux kernel did not properly allocate enough memory when performing ESP transformations, leading to a heap-based buffer overflow. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-5292-1: snapd vulnerabilities

James Troup discovered that snap did not properly manage the permissions for the snap directories. A local attacker could possibly use this issue to expose sensitive information. CVE-2021-3155 Ian Johnson discovered that snapd did not properly validate content interfaces and layout paths. A local...

USN-4918-2: ClamAV vulnerabilities

USN-4918-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attacker could possibly use this issue to cause ClamAV to hang,...

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-4689-1: NVIDIA graphics drivers 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-4604-1: 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 8.0.22 in Ubuntu 20.04 LTS and Ubuntu 20.10. Ubuntu 16.04 LTS and Ubuntu 18.04 LTS have been updated to MySQL 5.7.32. In addition to security fixes...

USN-4576-1: Linux kernel vulnerabilities

Hadar Manor discovered that the DCCP protocol implementation in the Linux kernel improperly handled socket reuse, 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-2020-16119 Jay Shin...

USN-4510-1: Samba vulnerability

Tom Tervoort discovered that the Netlogon protocol implemented by Samba incorrectly handled the authentication scheme. A remote attacker could use this issue to forge an authentication token and steal the credentials of the domain admin. This update fixes the issue by changing the "server schanne...

USN-4439-1: Linux kernel 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-4222-1: 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-4183-2: Linux kernel vulnerability

USN-4183-1 fixed vulnerabilities in the Linux kernel. It was discovered that the kernel fix for CVE-2019-0155 i915 missing Blitter Command Streamer check was incomplete on 64-bit Intel x86 systems. This update addresses the issue. We apologize for the inconvenience. Original advisory details:...

USN-4075-1: Exim vulnerability

Jeremy Harris discovered that Exim incorrectly handled sort expansions. In environments where sort expansions are used, a remote attacker could possibly use this issue to execute arbitrary code as root...

USN-3872-1: Linux kernel (HWE) vulnerabilities

It was discovered that a race condition existed in the vsock address family implementation of the Linux kernel that could lead to a use-after-free condition. A local attacker in a guest virtual machine could use this to expose sensitive information host machine kernel memory. CVE-2018-14625 Cfir...

USN-3707-1: NTP vulnerabilities

Yihan Lian discovered that NTP incorrectly handled certain malformed mode 6 packets. A remote attacker could possibly use this issue to cause ntpd to crash, resulting in a denial of service. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS. CVE-2018-7182 Michael Macnair discovered that...

USN-3045-1: PHP vulnerabilities

It was discovered that PHP incorrectly handled certain SplMinHeap::compare operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2015-4116 ...

USN-6819-4: Linux kernel (Oracle) vulnerabilities

Alon Zahavi discovered that the NVMe-oF/TCP subsystem in the Linux kernel did not properly validate H2C PDU data, leading to a null pointer dereference vulnerability. A remote attacker could use this to cause a denial of service system crash. CVE-2023-6356, CVE-2023-6535, CVE-2023-6536 Chenyuan...

USN-6742-1: Linux kernel vulnerabilities

Daniele Antonioli discovered that the Secure Simple Pairing and Secure Connections pairing in the Bluetooth protocol could allow an unauthenticated user to complete authentication without pairing credentials. A physically proximate attacker placed between two Bluetooth devices could use this to...

USN-5822-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled the bad password count logic. A remote attacker could possibly use this issue to bypass bad passwords lockouts. This issue was only addressed in Ubuntu 22.10. CVE-2021-20251 Evgeny Legerov discovered that Samba incorrectly handled buffers in certai...

USN-5400-1: 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 8.0.29 in Ubuntu 20.04 LTS, Ubuntu 21.10, and Ubuntu 22.04 LTS. Ubuntu 18.04 LTS has been updated to MySQL 5.7.38. In addition to security fixes, t...

USN-5358-1: Linux kernel vulnerabilities

It was discovered that the network traffic control implementation 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-2022-1055 It was discovered that the IPsec implementati...

USN-5303-1: PHP vulnerability

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

USN-5210-2: Linux kernel regression

USN-5210-1 fixed vulnerabilities in the Linux kernel. Unfortunately, that update introduced a regression that caused failures to boot in environments with AMD Secure Encrypted Virtualization SEV enabled. This update fixes the problem. We apologize for the inconvenience. Original advisory details:...