USN-5193-2: X.Org X Server vulnerabilities

USN-5193-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory details: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain inputs. An attacker could use this issue to cause t...

USN-5132-1: 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, spoof another origin, or execute arbitrary code...

USN-5098-1: bl vulnerability

It was discovered that bl didn't properly sanitize the inputs. An attacker could use this to leak sensitive information...

USN-4305-1: ICU vulnerability

André Bargull discovered that ICU incorrectly handled certain strings. An attacker could possibly use this issue to execute arbitrary code...

USN-4221-1: libpcap vulnerability

It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service memory exhaustion...

USN-4156-2: SDL vulnerabilities

USN-4156-1 fixed several vulnerabilities in SDL. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that SDL incorrectly handled certain images. If a user were tricked into opening a crafted image file, a remote...

USN-4097-2: PHP vulnerabilities

USN-4097-1 fixed several vulnerabilities in php5. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of servi...

USN-3939-1: Samba vulnerability

Michael Hanselmann discovered that Samba incorrectly handled registry files. A remote attacker could possibly use this issue to create new registry files outside of the share, contrary to expectations...

USN-3870-1: Spice vulnerability

Christophe Fergeau discovered that Spice incorrectly handled memory. A remote attacker could use this to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3742-3: Linux kernel (Trusty HWE) regressions

USN-3742-2 introduced mitigations in the Linux Hardware Enablement HWE kernel for Ubuntu 12.04 ESM 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 a...

USN-3742-1: Linux kernel vulnerabilities

It was discovered that memory present in the L1 data cache of an Intel CPU core may be exposed to a malicious process that is executing on the CPU core. This vulnerability is also known as L1 Terminal Fault L1TF. A local attacker in a guest virtual machine could use this to expose sensitive...

USN-3677-2: Linux kernel (HWE) vulnerabilities

USN-3677-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.10 for Ubuntu 16.04 LTS. It was discovered that the netfilter subsystem of the Linux kernel did not properly validate...

USN-3629-3: MySQL vulnerabilities

USN-3629-1 fixed vulnerabilities in MySQL. This update provides the corresponding updates for Ubuntu 18.04 LTS. 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 5.5.60 i...

USN-3422-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3422-1 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 LTS. It was discovered that a buffer overflow existed in the Bluetooth stack of the Linux...

USN-3367-1: gdb vulnerabilities

Hanno Böck discovered that gdb incorrectly handled certain malformed AOUT headers in PE executables. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could use this issue to cause gdb to crash, resulting in a denial of service, or possibly...

USN-3313-2: Linux kernel (HWE) vulnerability

USN-3313-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.10 for Ubuntu 16.04 LTS. It was discovered that a buffer overflow existed in the trace subsystem in the Linux kernel. A...

USN-3298-1: MiniUPnP vulnerability

It was discovered that MiniUPnP incorrectly handled memory. A remote attacker could use this issue to cause a denial of service or possibly execute arbitrary code with privileges of the user running an application that uses the MiniUPnP library...

USN-3260-2: Firefox regression

USN-3260-1 fixed vulnerabilities in Firefox. The update caused the date picker panel and form validation errors to close immediately on opening. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a...

USN-3211-2: PHP regression

USN-3211-1 fixed vulnerabilities in PHP by updating to the new 7.0.15 upstream release. PHP 7.0.15 introduced a regression when using MySQL with large blobs. This update fixes the problem with a backported fix. Original advisory details: It was discovered that PHP incorrectly handled certain...

USN-2971-1: Linux kernel vulnerabilities

Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly validate the endpoints reported by the device. An attacker with physical access could cause a denial of service system crash. CVE-2015-7515 Zach Riggle discovered that the Linux kernel's list...

USN-2929-2: Linux kernel (Trusty HWE) vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

USN-2912-1: libssh vulnerabilities

Mariusz Ziulek discovered that libssh incorrectly handled certain packets. A remote attacker could possibly use this issue to cause libssh to crash, resulting in a denial of service. CVE-2015-3146 Aris Adamantiadis discovered that libssh incorrectly generated ephemeral secret keys of 128 bits...

USN-2590-1: Linux kernel vulnerabilities

Jan Beulich discovered the Xen virtual machine subsystem of the Linux kernel did not properly restrict access to PCI command registers. A local guest user could exploit this flaw to cause a denial of service host crash. CVE-2015-2150 A stack overflow was discovered in the the microcode loader for...

USN-2446-1: Linux kernel vulnerabilities

Andy Lutomirski discovered that the Linux kernel does not properly handle faults associated with the Stack Segment SS register in the x86 architecture. A local attacker could exploit this flaw to gain administrative privileges. CVE-2014-9322 An information leak in the Linux kernel was discovered...

USN-2362-1: Bash vulnerability

Stephane Chazelas discovered that Bash incorrectly handled trailing code in function definitions. An attacker could use this issue to bypass environment restrictions, such as SSH forced command environments...

USN-2024-1: Linux kernel (OMAP4) vulnerabilities

An information leak was discovered in the handling of ICMPv6 Router Advertisement RA messages in the Linux kernel's IPv6 network stack. A remote attacker could exploit this flaw to cause a denial of service excessive retries and address-generation outage, and consequently obtain sensitive...

USN-1941-1: Linux kernel vulnerabilities

Chanam Park reported a Null pointer flaw in the Linux kernel's Ceph client. A remote attacker could exploit this flaw to cause a denial of service system crash. CVE-2013-1059 Vasily Kulikov discovered a flaw in the Linux Kernel's perf tool that allows for privilege escalation. A local user could...

USN-1613-2: Python 2.4 vulnerabilities

USN-1613-1 fixed vulnerabilities in Python 2.5. This update provides the corresponding updates for Python 2.4. Original advisory details: It was discovered that Python would prepend an empty string to sys.path under certain circumstances. A local attacker with write access to the current working...

USN-1256-1: Linux kernel (Natty backport) vulnerabilities

It was discovered that the /proc filesystem did not correctly handle permission changes when programs executed. A local attacker could hold open files to examine details about programs running with higher privileges, potentially increasing the chances of exploiting additional vulnerabilities...

USN-1131-1: Postfix vulnerability

Thomas Jarosch discovered that Postfix incorrectly handled authentication mechanisms other than PLAIN and LOGIN when the Cyrus SASL library is used. A remote attacker could use this to cause Postfix to crash, leading to a denial of service, or possibly execute arbitrary code as the postfix user...

USN-947-2: Linux kernel regression

USN-947-1 fixed vulnerabilities in the Linux kernel. Fixes for CVE-2010-0419 caused failures when using KVM in certain situations. This update reverts that fix until a better solution can be found. We apologize for the inconvenience. Original advisory details: It was discovered that the Linux...

USN-8309-1: libssh2 vulnerability

It was discovered that libssh2 incorrectly handled username and password length values during SSH password authentication. A remote attacker could possibly use this issue to cause a denial of service...

USN-6716-1: Linux kernel (Azure) vulnerabilities

Wenqing Liu discovered that the f2fs file system implementation in the Linux kernel did not properly validate inode types while performing garbage collection. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service system...

USN-6534-1: 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-6502-3: Linux kernel (NVIDIA) vulnerabilities

Ivan D Barrera, Christopher Bednarz, Mustafa Ismail, and Shiraz Saleem discovered that the InfiniBand RDMA driver in the Linux kernel did not properly check for zero-length STAG or MR registration. A remote attacker could possibly use this to execute arbitrary code. CVE-2023-25775 Yu Hao discover...

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-6246-1: Linux kernel vulnerabilities

It was discovered that the IP-VLAN network driver for the Linux kernel did not properly initialize memory in some situations, leading to an out-of- bounds write vulnerability. An attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2023-3090...

USN-6124-1: Linux kernel (OEM) vulnerabilities

Patryk Sondej and Piotr Krysiuk discovered that a race condition existed in the netfilter subsystem of the Linux kernel when processing batch requests, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrar...

USN-6077-1: OpenJDK vulnerabilities

Ben Smyth discovered that OpenJDK incorrectly handled half-duplex connections during TLS handshake. A remote attacker could possibly use this issue to insert, edit or obtain sensitive information. CVE-2023-21930 It was discovered that OpenJDK incorrectly handled certain inputs. An attacker could...

USN-5956-1: PHPMailer vulnerabilities

Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. CVE-2016-10033, CVE-2016-10045 It was...

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-5930-1: Python vulnerability

It was discovered that Python incorrectly handled certain inputs. If a user or an automated system were tricked into running a specially crafted input, a remote attacker could possibly use this issue to execute arbitrary code. CVE-2022-37454...

USN-5915-1: Linux kernel (OEM) 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-5895-1: MPlayer vulnerabilities

It was discovered that MPlayer could be made to divide by zero when processing certain malformed media files. If a user were tricked into opening a specially crafted media file, an attacker could possibly use this issue to cause MPlayer to crash, resulting in a denial of service. CVE-2022-38850,...

USN-5809-1: Linux kernel (OEM) 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-5530-1: PHP vulnerability

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

USN-5186-2: Firefox regressions

USN-5186-1 fixed vulnerabilities in Firefox. The update introduced several 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 into opening a specially crafted...

USN-5142-3: Samba regression

USN-5142-1 fixed vulnerabilities in Samba. Some of the upstream changes introduced a regression in Kerberos authentication in certain environments. Please see the following upstream bug for more information: https://bugzilla.samba.org/showbug.cgi?id=14922 This update fixes the problem. Original...

USN-5110-1: Ardour vulnerability

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

USN-5026-2: QPDF vulnerabilities

USN-5026-1 fixed several vulnerabilities in QPDF. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It was discovered that QPDF incorrectly handled certain malformed PDF files. A remote attacker could use this issue to cause QPDF to consume resources,...