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-1938-1: Linux kernel vulnerabilities

Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows specified to be run as root. A local could exploit this flaw to run commands as root when using the perf tool. user could exploit this CVE-2013-1060 A flaw was discovered in the Xen subsystem of the Linux kernel when it...

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-1437-1: PHP vulnerability

It was discovered that PHP, when used as a stand alone CGI processor for the Apache Web Server, did not properly parse and filter query strings. This could allow a remote attacker to execute arbitrary code running with the privilege of the web server. Configurations using modphp5 and FastCGI were...

USN-1363-1: Linux kernel vulnerabilities

A bug was discovered in the Linux kernel's calculation of OOM Out of memory scores, that would result in the wrong process being killed. A user could use this to kill the process with the highest OOM score, even if that process belongs to another user or the system. CVE-2011-4097 A flaw was found...

USN-1353-1: Xulrunnner vulnerabilities

Jesse Ruderman and Bob Clary discovered memory safety issues affecting the Gecko Browser engine. If the user were tricked into opening a specially crafted page, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of t...

USN-1073-1: Linux kernel vulnerabilities

Gleb Napatov discovered that KVM did not correctly check certain privileged operations. A local attacker with access to a guest kernel could exploit this to crash the host system, leading to a denial of service. CVE-2010-0435 Dan Jacobson discovered that ThinkPad video output was not correctly...

USN-178-1: Linux kernel vulnerabilities

Oleg Nesterov discovered a local Denial of Service vulnerability in the timer handling. When a non group-leader thread called exec to execute a different program while an itimer was pending, the timer expiry would signal the old group leader task, which did not exist any more. This caused a kerne...

USN-7492-1: Linux kernel vulnerability

A security issues was discovered in the Linux kernel. An attacker could possibly use this to compromise the system. This update corrects flaws in the following subsystems: - Bluetooth drivers; CVE-2024-56653...

USN-7406-1: 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: - GPU drivers; - SMB network file system; - Network namespace; - Networking core; CVE-2024-26928, CVE-2024-56658,...

USN-6950-4: Linux kernel (HWE) 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: - ARM32 architecture; - ARM64 architecture; - Block layer subsystem; - Bluetooth drivers; - Clock framework and...

USN-6701-3: Linux kernel vulnerabilities

Ruihan Li discovered that the bluetooth subsystem in the Linux kernel did not properly perform permissions checks when handling HCI sockets. A physically proximate attacker could use this to cause a denial of service bluetooth communication. CVE-2023-2002 It was discovered that the NVIDIA Tegra...

USN-6397-1: Linux kernel (BlueField) 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 Ruihan Li discovered that the bluetooth subsystem ...

USN-6350-1: Linux kernel vulnerabilities

It was discovered that the NTFS file system implementation in the Linux kernel did not properly validate MFT flags in certain situations. An attacker could use this to construct a malicious NTFS image that, when mounted and operated on, could cause a denial of service system crash. CVE-2022-48425...

USN-6081-1: Linux kernel vulnerabilities

Jordy Zomer and Alexandra Sandulescu discovered that the Linux kernel did not properly implement speculative execution barriers in usercopy functions in certain situations. A local attacker could use this to expose sensitive information kernel memory. CVE-2023-0459 Xingyuan Mo discovered that the...

USN-6013-1: Linux kernel (AWS) vulnerabilities

Xuewei Feng, Chuanpu Fu, Qi Li, Kun Sun, and Ke Xu discovered that the TCP implementation in the Linux kernel did not properly handle IPID assignment. A remote attacker could use this to cause a denial of service connection termination or inject forged data. CVE-2020-36516 Ke Sun, Alyssa Milburn,...

USN-5951-1: Linux kernel (IBM) vulnerabilities

It was discovered that the Upper Level Protocol ULP subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execut...

USN-5803-1: Linux kernel vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5628-2: etcd vulnerabilities

USN-5628-1 fixed vulnerabilities in etcd. This update provides the corresponding updates for Ubuntu 18.04 ESM. Original advisory details: It was discovered that etcd incorrectly handled certain specially crafted WAL files. An attacker could possibly use this issue to cause a denial of service...

USN-5461-1: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled empty password values. A remote attacker could use this issue to bypass server authentication. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 21.10. CVE-2022-24882 It was discovered that FreeRDP incorrectly handled server...

USN-5418-1: Linux kernel vulnerabilities

Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor Chervatyuk, Lisa Aichele, and Thais Moreira Hamasaki discovered that the Spectre Variant 2 mitigations for AMD processors on Linux were insufficient in some situations. A local attacker could possibly use this to expose sensitive...

USN-5393-1: 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, conduct spoofing attacks, or execute arbitrary code. CVE-2022-1097,...

USN-5354-1: Twisted vulnerabilities

It was discovered that Twisted incorrectly filtered HTTP headers when clients are being redirected to another origin. A remote attacker could use this issue to obtain sensitive information. CVE-2022-21712 It was discovered that Twisted incorrectly processed SSH handshake data on connection...

USN-5348-1: Smarty vulnerabilities

David Gnedt and Thomas Konrad discovered that Smarty was incorrectly sanitizing the paths present in the templates. An attacker could possibly use this use to read arbitrary files when controlling the executed template. CVE-2018-13982 It was discovered that Smarty was incorrectly sanitizing the...

USN-5336-1: libjpeg9 vulnerabilities

Aladdin Mubaied discovered that the cjpeg utility in libjpeg9 did not properly validate the input image's size. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2016-3616 It was discovered that the cjpeg utility in libjpeg9 incorrectly handled...

USN-5269-2: Django vulnerabilities

USN-5269-1 fixed several vulnerabilities in Django. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Keryn Knight discovered that Django incorrectly handled certain template tags. A remote attacker could possibly use this issue to...

USN-5264-1: Graphviz vulnerabilities

It was discovered that graphviz contains null pointer dereference vulnerabilities. Exploitation via a specially crafted input file can cause a denial of service. CVE-2018-10196, CVE-2019-11023 It was discovered that graphviz contains a buffer overflow vulnerability. Exploitation via a specially...

USN-5234-1: Byobu vulnerability

Sander Bos discovered that Byobu incorrectly handled certain Apport data. An attacker could possibly use this issue to expose sensitive information...

USN-5233-1: ClamAV vulnerability

It was discovered that ClamAV incorrectly handled memory when the CLSCANGENERALCOLLECTMETADATA scan option was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service...

USN-5145-1: PostgreSQL vulnerabilities

Jacob Champion discovered that PostgreSQL incorrectly handled SSL certificate verification and encryption. A remote attacker could possibly use this issue to inject arbitrary SQL queries when a connection is first established...

USN-4768-1: musl vulnerabilities

It was discovered that musl did not properly handle kernel syscalls. An attacker could use this vulnerability to cause a denial of service crash or possibly execute arbitrary code. CVE-2018-1000001 It was discovered that musl did not properly handle the parsing of DNS response codes. A remote...

USN-4730-1: PostSRSd vulnerability

It was discovered that PostSRSd mishandled certain input. A remote attacker could use this vulnerability to cause a denial of service via a long timestamp tag in an SRS address...

USN-4719-1: ca-certificates update

The ca-certificates package contained outdated CA certificates. This update refreshes the included certificates to those contained in the 2.46 version of the Mozilla certificate authority bundle...

USN-4675-1: OpenStack Horizon vulnerability

Pritam Singh discovered that OpenStack Horizon incorrectly validated certain parameters. An attacker could possibly use this issue to cause OpenStack Horizon to redirect to a malicious URL...

USN-4591-1: Linux kernel vulnerabilities

Andy Nguyen discovered that the Bluetooth L2CAP implementation in the Linux kernel contained a type-confusion error. A physically proximate remote attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2020-12351 Andy Nguyen discovered that the...

USN-4474-2: Firefox regressions

USN-4474-1 fixed vulnerabilities in Firefox. The update introduced various minor regressions. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted...

USN-4312-1: Timeshift vulnerability

Matthias Gerstner discovered that Timeshift did not securely create temporary files. An attacker could exploit a race condition in Timeshift and potentially execute arbitrary commands as root...

USN-4281-1: 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-4134-2: IBus regression

USN-4134-1 fixed a vulnerability in IBus. The security fix introduced a regression when being used with Qt applications. This update reverts the security fix pending further investigation. Original advisory details: Simon McVittie discovered that IBus did not enforce appropriate access controls o...

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-4119-1: Irssi vulnerability

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

USN-4070-2: MariaDB vulnerabilities

USN-4070-1 fixed multiple vulnerabilities in MySQL. This update provides the corresponding fixes for CVE-2019-2737, CVE-2019-2739, CVE-2019-2740, CVE-2019-2805 in MariaDB 10.1. Ubuntu 18.04 LTS has been updated to MariaDB 10.1.41. In addition to security fixes, the updated package contain bug...

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-3752-1: Linux kernel vulnerabilities

It was discovered that, when attempting to handle an out-of-memory situation, a null pointer dereference could be triggered in the Linux kernel in some circumstances. A local attacker could use this to cause a denial of service system crash. CVE-2018-1000200 Wen Xu discovered that the XFS...

USN-3741-3: Linux kernel regressions

USN-3741-1 introduced mitigations in the Linux kernel for Ubuntu 14.04 LTS to address L1 Terminal Fault L1TF vulnerabilities CVE-2018-3620, CVE-2018-3646. Unfortunately, the update introduced regressions that caused kernel panics when booting in some environments as well as preventing Java...

USN-3641-1: Linux kernel vulnerabilities

Nick Peterson discovered that the Linux kernel did not properly handle debug exceptions following a MOV/POP to SS instruction. A local attacker could use this to cause a denial of service system crash. This issue only affected the amd64 architecture. CVE-2018-8897 Andy Lutomirski discovered that...

USN-3560-1: QEMU 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-3177-1: Tomcat vulnerabilities

It was discovered that the Tomcat realm implementations incorrectly handled passwords when a username didn't exist. A remote attacker could possibly use this issue to enumerate usernames. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-0762 Alvaro Muno...

USN-2856-1: ldb vulnerabilities

Thilo Uttendorfer discovered that the ldb incorrectly handled certain zero values. A remote attacker could use this issue to cause applications using ldb, such as Samba, to stop responding, resulting in a denial of service. CVE-2015-3223 Douglas Bagnall discovered that ldb incorrectly handled...

USN-2139-1: Linux kernel (OMAP4) vulnerabilities

Mathy Vanhoef discovered an error in the the way the ath9k driver was handling the BSSID masking. A remote attacker could exploit this error to discover the original MAC address after a spoofing atack. CVE-2013-4579 Andrew Honig reported a flaw in the Linux Kernel's kvmvmioctlcreatevcpu function ...