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-319-2: Linux kernel vulnerability

USN-319-1 fixed a Linux kernel vulnerability in Ubuntu 6.06 LTS. This followup advisory provides the corresponding updates for Ubuntu 5.04 and 5.10. For reference, these are the details of the original USN: A race condition has been discovered in the file permission handling of the /proc file...

USN-6316-1: Linux kernel (OEM) 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 Tavis Ormandy discovered that some AMD processors...

USN-5968-1: GitPython vulnerability

It was discovered that GitPython did not properly sanitize user inputs for remote URLs in the clone command. By injecting a maliciously crafted remote URL, an attacker could possibly use this issue to execute arbitrary commands on the host...

USN-5797-1: WebKitGTK vulnerabilities

Several 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 attacks, and...

USN-5465-1: 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-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...

USN-5345-1: 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, bypass security restrictions, obtain sensitive information, cause undefined...

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-4965-2: Apport vulnerabilities

USN-4965-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Maik Münch discovered that Apport incorrectly handled certain information gathering operations. A local attacker could use these...

USN-4757-2: wpa_supplicant and hostapd vulnerability

USN-4757-1 fixed a vulnerability in wpasupplicant and hostapd. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: It was discovered that wpasupplicant did not properly handle P2P Wi-Fi Direct provision discovery requests in some situations. A physically...

USN-4603-1: MariaDB vulnerabilities

It was discovered that MariaDB didn't properly validate the content of a packet received from a server. A remote attacker could use this vulnerability to sent a specialy crafted file to cause a denial of service. CVE-2020-13249 It was discovered that MariaDB has other security issues. An attacker...

USN-4511-1: QEMU vulnerability

Ziming Zhang, Xiao Wei, Gonglei Arei, and Yanyu Zhang discovered that QEMU incorrectly handled certain USB packets. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code on the host. In the default...

USN-4485-1: Linux kernel vulnerabilities

Timothy Michaud discovered that the i915 graphics driver in the Linux kernel did not properly validate user memory locations for the i915gemexecbuffer2ioctl. A local attacker could possibly use this to cause a denial of service or execute arbitrary code. CVE-2018-20669 It was discovered that the...

USN-3938-1: systemd vulnerability

Jann Horn discovered that pamsystemd created logind sessions using some parameters from the environment. A local attacker could exploit this in order to spoof the active session and gain additional PolicyKit privileges...

USN-3933-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3933-1 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 an information leak vulnerability existed in the Bluetooth...

USN-3907-1: WALinuxAgent vulnerability

It was discovered that WALinuxAgent created swap files with incorrect permissions. A local attacker could possibly use this issue to obtain sensitive information from the swap file...

USN-3878-2: Linux kernel (Azure) 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-3867-1: MySQL 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, and Ubuntu 18.10 have been updated to MySQL 5.7.25. In addition to security fixes, the updated packages contain bug fixes, new features,...

USN-3617-3: Linux kernel (Raspberry Pi 2) vulnerabilities

It was discovered that a race condition leading to a use-after-free vulnerability existed in the ALSA PCM subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0861 It was discovered that a...

USN-3582-1: 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 Laurent Guerby discovered that...

USN-3521-1: NVIDIA graphics drivers vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3339-1: OpenVPN vulnerabilities

Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...

USN-3175-1: Firefox vulnerabilities

Multiple memory safety issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. CVE-2017-5373, CVE-2017-5374 JIT code allocation c...

USN-2953-1: 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 5.5.49 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 15.10 has been updated to MySQL 5.6.30. In addition to security fixes, the updated packages...

USN-2391-1: php5 vulnerabilities

Symeon Paraschoudis discovered that PHP incorrectly handled the mkgmtime function. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. CVE-2014-3668 Symeon Paraschoudis discovered that PHP incorrectly handled unserializing objects. A remote...

USN-1236-1: Linux kernel vulnerabilities

It was discovered that the Auerswald usb driver incorrectly handled lengths of the USB string descriptors. A local attacker with physical access could insert a specially crafted USB device and gain root privileges. CVE-2009-4067 It was discovered that the Stream Control Transmission Protocol SCTP...

USN-1162-1: Linux kernel vulnerabilities (Marvell Dove)

Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. CVE-2010-4243 Alexander Duyck discovered that the Intel Gigabit Ethernet driver...

USN-810-2: NSPR update

USN-810-1 fixed vulnerabilities in NSS. This update provides the NSPR needed to use the new NSS. Original advisory details: Moxie Marlinspike discovered that NSS did not properly handle regular expressions in certificate names. A remote attacker could create a specially crafted certificate to cau...

USN-349-1: gzip vulnerabilities

Tavis Ormandy discovered that gzip did not sufficiently verify the validity of gzip or compress archives while unpacking. By tricking an user or automated system into unpacking a specially crafted compressed file, this could be exploited to execute arbitrary code with the user's privileges...

USN-7324-1: Linux kernel vulnerability

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: - Media drivers; CVE-2024-53104...

USN-6725-2: Linux kernel (AWS) vulnerabilities

Chih-Yen Chang discovered that the KSMBD implementation in the Linux kernel did not properly validate certain data structure fields when parsing lease contexts, leading to an out-of-bounds read vulnerability. A remote attacker could use this to cause a denial of service system crash or possibly...

USN-6244-1: AMD Microcode vulnerability

Tavis Ormandy discovered that some AMD processors did not properly handle speculative execution of certain vector register instructions. A local attacker could use this to expose sensitive information...

USN-6238-1: Samba vulnerabilities

It was discovered that Samba incorrectly handled Winbind NTLM authentication responses. An attacker could possibly use this issue to cause Samba to crash, resulting in a denial of service. CVE-2022-2127 Andreas Schneider discovered that Samba incorrectly enforced SMB2 packet signing. A remote...

USN-5981-1: Linux kernel vulnerabilities

It was discovered that the System V IPC implementation in the Linux kernel did not properly handle large shared memory counts. A local attacker could use this to cause a denial of service memory exhaustion. CVE-2021-3669 It was discovered that a use-after-free vulnerability existed in the SGI GRU...

USN-5416-1: Linux kernel (OEM) vulnerabilities

Qiuhao Li, Gaoning Pan and Yongkang Jia discovered that the KVM implementation in the Linux kernel did not properly perform guest page table updates in some situations. An attacker in a guest vm could possibly use this to crash the host OS. CVE-2022-1158 It was discovered that the implementation ...

USN-5415-1: Linux kernel vulnerabilities

Jeremy Cline discovered a use-after-free in the nouveau graphics driver of the Linux kernel during device removal. A privileged or physically proximate attacker could use this to cause a denial of service system crash. CVE-2020-27820 Ke Sun, Alyssa Milburn, Henrique Kawakami, Emma Benoit, Igor...

USN-5292-3: snapd vulnerabilities

USN-5292-1 fixed several vulnerabilities in snapd. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: James Troup discovered that snap did not properly manage the permissions for the snap directories. A local attacker could possibly...

USN-5250-1: strongSwan vulnerability

Zhuowei Zhang discovered that stringSwan incorrectly handled EAP authentication. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly bypass client and server authentication...

USN-5224-1: Ghostscript vulnerabilities

It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to cause Ghostscript to crash, resulting in a denial of service, or possibly execut...

USN-5213-1: 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-5203-1: Apache Log4j 2 vulnerability

Hideki Okamoto and Guy Lederfein discovered that Apache Log4j 2 did not protect against infinite recursion in lookup evaluation. A remote attacker could possibly use this issue to cause Apache Log4j 2 to crash, leading to a denial of service. Please see the following link for more information:...

USN-5126-2: Bind vulnerability

USN-5126-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Kishore Kumar Kothapalli discovered that Bind incorrectly handled the lame cache when processing responses. A remote attacker could possibl...

USN-4382-2: FreeRDP vulnerabilities

It was discovered that FreeRDP incorrectly handled certain memory operations. A remote attacker could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4602-1: Perl vulnerabilities

ManhND discovered that Perl incorrectly handled certain regular expressions. In environments where untrusted regular expressions are evaluated, a remote attacker could possibly use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-4497-1: OpenJPEG vulnerabilities

It was discovered that OpenJPEG incorrectly handled certain image files. A remote attacker could possibly use this issue to cause a denial of service. CVE-2016-9112 It was discovered that OpenJPEG did not properly handle certain input. If OpenJPEG were supplied with specially crafted input, it...

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-4171-5: Apport regression

USN-4171-1 fixed vulnerabilities in Apport. This caused a regression in autopkgtest and python2 compatibility. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Kevin Backhouse discovered Apport would read its user-controlled settings file as the root...

USN-4263-1: Sudo vulnerability

Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account...

USN-4165-1: 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 cause a denial of service, bypass security restrictions, bypass same-origin restrictions, conduct cross-site scripting XSS attacks,...