USN-6188-1: OpenSSL vulnerability

Matt Caswell discovered that OpenSSL incorrectly handled certain ASN.1 object identifiers. A remote attacker could possibly use this issue to cause OpenSSL to consume resources, resulting in a denial of service...

USN-6167-1: QEMU vulnerabilities

It was discovered that QEMU did not properly manage the guest drivers when shared buffers are not allocated. A malicious guest driver could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubunt...

USN-6093-1: Linux kernel (BlueField) vulnerabilities

It was discovered that the Traffic-Control Index TCINDEX implementation in the Linux kernel did not properly perform filter deactivation in some situations. A local attacker could possibly use this to gain elevated privileges. Please note that with the fix for this CVE, kernel support for the...

USN-6015-1: 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, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-5993-1: Samba vulnerabilities

Demi Marie Obenour discovered that the Samba LDAP server incorrectly handled certain confidential attribute values. A remote authenticated attacker could possibly use this issue to obtain certain sensitive information. CVE-2023-0614 Andrew Bartlett discovered that the Samba AD DC admin tool...

USN-5943-1: 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, obtain sensitive information, bypass security restrictions, cross-site tracing,...

USN-5859-1: Linux kernel (OEM) vulnerabilities

Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-0179 It was discovered that the Netronome...

USN-5759-2: LibBPF vulnerabilities

USN-5759-1 fixed vulnerabilities in LibBPF. This update provides the corresponding updates for Ubuntu 20.04 ESM. Original advisory details: It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause...

USN-5617-1: Xen vulnerabilities

It was discovered that memory contents previously stored in microarchitectural special registers after RDRAND, RDSEED, and SGX EGETKEY read operations on Intel client and Xeon E3 processors may be briefly exposed to processes on the same or different processor cores. A local attacker could use th...

USN-5599-1: Linux kernel (Oracle) vulnerabilities

Asaf Modelevsky discovered that the IntelR 10GbE PCI Express ixgbe Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. CVE-2021-33061 Moshe Kol, Amit Klein and Yossi Gilad discovered that the I...

USN-5548-1: libxml2 vulnerability

It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to execute arbitrary code...

USN-5153-1: LibreOffice vulnerabilities

It was discovered that LibreOffice incorrectly handled digital signatures. An attacker could possibly use this issue to create a specially crafted document that would display a validly signed indicator, contrary to expectations...

USN-5144-1: OpenEXR vulnerability

It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash or execute arbitrary code...

USN-4787-1: jq vulnerability

It was discovered that jq did not perform sufficient bounds checking, resulting in unbounded resource consumption. An attacker could use this vulnerability to cause a denial of service...

USN-4733-2: GNOME Autoar regression

USN-4733-1 fixed a vulnerability in GNOME Autoar. The upstream fix introduced a regression when extracting archives containing directories. This update fixes the problem. Original advisory details: Yiğit Can Yılmaz discovered that GNOME Autoar could extract files outside of the intended directory...

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-4635-1: Kerberos vulnerability

Demi Obenour discovered that Kerberos incorrectly handled certain ASN.1. An attacker could possibly use this issue to cause a denial of service...

USN-4625-1: Firefox vulnerability

A use-after-free was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to execute arbitrary code...

USN-4551-1: Squid 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-4459-1: Salt vulnerabilities

It was discovered that Salt allows remote attackers to determine which files exist on the server. An attacker could use that to extract sensitive information. CVE-2018-15750 It was discovered that Salt has a vulnerability that allows an user to bypass authentication. An attacker could use that to...

USN-4454-2: Samba vulnerability

USN-4454-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Martin von Wittich and Wilko Meyer discovered that Samba incorrectly handled certain empty UDP packets when being used as a AD DC NBT...

USN-4381-2: 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-4304-1: Ceph vulnerability

Or Friedman discovered that Ceph incorrectly handled disconnects. A remote authenticated attacker could possibly use this issue to cause Ceph to consume resources, leading to a denial of service...

USN-4217-1: Samba vulnerabilities

Andreas Oster discovered that the Samba DNS management server incorrectly handled certain records. An authenticated attacker could possibly use this issue to crash Samba, resulting in a denial of service. CVE-2019-14861 Isaac Boukris discovered that Samba did not enforce the Kerberos...

USN-4200-1: Redmine vulnerabilities

It was discovered that Redmine incorrectly handle certain inputs that could cause textile formatting errors. An attacker could possibly use this issue to cause a XSS attack. CVE-2019-17427 It was discovered that an SQL injection could allow users to access protected information via a crafted obje...

USN-4040-2: Expat vulnerability

USN-4040-1 fixed a vulnerability in expat. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to cause a denial of service...

USN-4038-1: bzip2 vulnerabilities

Aladdin Mubaied discovered that bzip2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. CVE-2016-3189 It was discovered that bzip2 incorrectly handled certain files. An attacker could possibly use...

USN-3918-3: Firefox regression

USN-3918-1 fixed vulnerabilities in Firefox. The update caused web compatibility issues with some websites. 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...

USN-3770-1: Little CMS vulnerabilities

Ibrahim El-Sayed discovered that Little CMS incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. CVE-2016-10165 Quang Nguyen discovered that Little CMS incorrectly handled certain files. An attacker could possibly use this issue to execute...

USN-3725-2: MySQL vulnerabilities

USN-3725-1 fixed several vulnerabilities in MySQL. This update provides the corresponding update for Ubuntu 12.04 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 to...

USN-3697-2: Linux kernel (OEM) vulnerabilities

It was discovered that a null pointer dereference vulnerability existed in the DCCP protocol implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2018-1130 Jann Horn discovered that the 32 bit adjtimex syscall implementation for 64 bit...

USN-3674-1: Linux kernel vulnerabilities

It was discovered that the netfilter subsystem of the Linux kernel did not properly validate ebtables offsets. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-1068 It was discovered that a NULL pointer dereference existed in t...

USN-3658-1: procps-ng vulnerabilities

It was discovered that the procps-ng top utility incorrectly read its configuration file from the current working directory. A local attacker could possibly use this issue to escalate privileges. CVE-2018-1122 It was discovered that the procps-ng ps tool incorrectly handled memory. A local user...

USN-3653-1: 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-3581-1: 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 ChunYu Wang discovered that a...

USN-3524-2: Linux kernel (Trusty HWE) vulnerability

USN-3524-1 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. Jann Horn discovered that microprocessors utilizing speculative execution and indirect...

USN-3508-1: Linux kernel vulnerabilities

Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink subsystem XFRM in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16939 It was discovered that the Linux kernel did not...

USN-3393-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled parsing certain e-mail messages. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. CVE-2017-6418 It was discovered that ClamAV incorrectly handled certain malformed CHM files. A remote...

USN-3377-2: Linux kernel (HWE) vulnerabilities

USN-3377-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename...

USN-3266-1: Linux kernel vulnerability

Alexander Popov discovered that a race condition existed in the Stream Control Transmission Protocol SCTP implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash...

USN-3216-2: Firefox regression

USN-3216-1 fixed vulnerabilities in Firefox. The update resulted in a startup crash when Firefox is used with XRDP. 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 openi...

USN-3207-1: Linux kernel vulnerabilities

It was discovered that a use-after-free vulnerability existed in the block device layer of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly gain administrative privileges. CVE-2016-7910 Dmitry Vyukov discovered a use-after-free vulnerability ...

USN-3169-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3169-1 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 LTS. Dmitry Vyukov discovered that the KVM implementation in the Linux kernel did not...

USN-3151-2: Linux kernel (Xenial HWE) vulnerability

USN-3151-1 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 LTS. Philip Pettersson discovered a race condition in the afpacket implementation in the...

USN-3144-2: Linux kernel (OMAP4) vulnerability

Marco Grassi discovered that the driver for Areca RAID Controllers in the Linux kernel did not properly validate control messages. A local attacker could use this to cause a denial of service system crash or possibly gain privileges...

USN-3097-2: Linux kernel (OMAP4) vulnerabilities

Marco Grassi discovered a use-after-free condition could occur in the TCP retransmit queue handling code in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2016-6828 Pengfei Wang discovered a race condition in the...

USN-3099-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3099-1 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 LTS. Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive...

USN-3038-1: Apache HTTP Server vulnerability

It was discovered that the Apache HTTP Server would set the HTTPPROXY environment variable based on the contents of the Proxy header from HTTP requests. A remote attacker could possibly use this issue in combination with CGI scripts that honour the HTTPPROXY variable to redirect outgoing HTTP...

USN-2990-1: ImageMagick vulnerabilities

Nikolay Ermishkin and Stewie discovered that ImageMagick incorrectly sanitized untrusted input. A remote attacker could use these issues to execute arbitrary code. These issues are known as "ImageTragick". This update disables problematic coders via the /etc/ImageMagick-6/policy.xml configuration...

USN-2983-1: Expat vulnerability

Gustavo Grieco discovered that Expat incorrectly handled malformed XML data. If a user or application linked against Expat were tricked into opening a crafted XML file, an attacker could cause a denial of service, or possibly execute arbitrary code. CVE-2016-0718...