USN-4530-1: Debian-LAN vulnerabilities

Wolfgang Schweer discovered that Debian-LAN did not properly handle ACLs for the Kerberos admin server. A local attacker could possibly use this issue to change the passwords of other users, leading to root privilege escalation. CVE-2019-3467...

USN-4479-1: Django vulnerabilities

It was discovered that Django, when used with Python 3.7 or higher, incorrectly handled directory permissions. A local attacker could possibly use this issue to obtain sensitive information, or escalate permissions...

USN-4435-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled parsing ARJ archives. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. CVE-2020-3327 It was discovered that ClamAV incorrectly handled scanning malicious files. A local attacker could...

USN-4407-1: LibVNCServer vulnerabilities

It was discovered that LibVNCServer incorrectly handled decompressing data. An attacker could possibly use this issue to cause LibVNCServer to crash, resulting in a denial of service. CVE-2019-15680 It was discovered that an information disclosure vulnerability existed in LibVNCServer when sendin...

USN-4360-3: json-c regression

USN-4360-1 fixed a vulnerability in json-c. The security fix introduced a memory leak in some scenarios. This update reverts the security fix pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that json-c incorrectly handled certain JSO...

USN-4189-2: DPDK regression

USN-4189-1 fixed a vulnerability in DPDK. The new version introduced a regression in certain environments. This update fixes the problem. Original advisory details: Jason Wang discovered that DPDK incorrectly handled certain messages. An attacker in a malicious container could possibly use this...

USN-4198-1: DjVuLibre vulnerabilities

It was discovered that DjVuLibre incorrectly handled certain memory operations. If a user or automated system were tricked into processing a specially crafted DjVu file, a remote attacker could cause applications to hang or crash, resulting in a denial of service, or possibly execute arbitrary co...

USN-4034-1: ImageMagick vulnerabilities

It was discovered that ImageMagick incorrectly handled certain malformed image files. If a user or automated system using ImageMagick were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of th...

USN-4024-1: Evince update

As a security improvement, this update adjusts the AppArmor profile for the Evince thumbnailer to reduce access to the system and adjusts the AppArmor profile for Evince and Evince previewer to limit access to the DBus system bus. Additionally adjust the evince abstraction to disallow writes on...

USN-3743-1: 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-3684-2: Perl vulnerability

USN-3684-1 fixed a vulnerability in perl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Perl incorrectly handled certain archive files. An attacker could possibly use this to overwrite arbitrary files...

USN-3658-2: procps-ng vulnerabilities

USN-3658-1 fixed a vulnerability in procps-ng. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libprocps incorrectly handled the file2strvec function. A local attacker could possibly use this to execute arbitrary code...

USN-3631-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3631-1 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. It was discovered that a buffer overread vulnerability existed in the keyring subsyste...

USN-3622-1: Wayland vulnerability

It was discovered that the Wayland Xcursor support incorrectly handled certain files. An attacker could use these issues to cause Wayland to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3616-1: Python Crypto vulnerability

It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote attacker could possibly use this issue to obtain sensitive information...

USN-3564-1: PostgreSQL vulnerability

It was discovered that PostgreSQL incorrectly handled certain temp files. An attacker could possibly use this to access sensitive information...

USN-3522-3: Linux kernel regression

USN-3522-1 fixed a vulnerability in the Linux kernel to address Meltdown CVE-2017-5754. Unfortunately, that update introduced a regression where a few systems failed to boot successfully. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Jann Horn...

USN-3528-1: Ruby vulnerabilities

It was discovered that Ruby incorrectly handled certain terminal emulator escape sequences. An attacker could use this to execute arbitrary code via a crafted user name. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10. CVE-2017-10784 It was discovered that Ruby incorrectly handled...

USN-3519-1: Tomcat vulnerabilities

It was discovered that Tomcat incorrectly handled certain pipelined requests when sendfile was used. A remote attacker could use this issue to obtain wrong responses possibly containing sensitive information. CVE-2017-5647 It was discovered that Tomcat incorrectly used the appropriate facade...

USN-3509-4: Linux kernel (Xenial HWE) regression

USN-3509-2 fixed vulnerabilities in the Linux Hardware Enablement kernel for Ubuntu 14.04 LTS. Unfortunately, it also introduced a regression that prevented the Ceph network filesystem from being used. This update fixes the problem. We apologize for the inconvenience. Original advisory details:...

USN-3510-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3510-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink...

USN-3509-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3509-1 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. Mohamed Ghannam discovered that a use-after-free vulnerability existed in the Netlink...

USN-3459-2: MySQL vulnerabilities

USN-3459-1 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-3404-2: Linux kernel (HWE) vulnerability

USN-3404-1 fixed a vulnerability 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. A reference count bug was discovered in the Linux kernel ipx protocol stack. A local attacker...

USN-3248-1: Linux kernel vulnerability

It was discovered that the xfrm framework for transforming packets in the Linux kernel did not properly validate data received from user space. A local attacker could use this to cause a denial of service system crash or execute arbitrary code with administrative privileges...

USN-3230-1: Pillow vulnerabilities

It was discovered that Pillow incorrectly handled certain compressed text chunks in PNG images. A remote attacker could possibly use this issue to cause Pillow to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2014-9601 Cris Neckar discovered that Pillow...

USN-3216-1: 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 bypass same origin restrictions, obtain sensitive information, spoof the addressbar, spoof the print dialog, cause a denial of...

USN-3163-1: NSS vulnerabilities

It was discovered that NSS incorrectly handled certain invalid Diffie-Hellman keys. A remote attacker could possibly use this flaw to cause NSS to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS, Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-5285 Hubert Kari...

USN-3157-1: Apport vulnerabilities

Donncha O Cearbhaill discovered that the crash file parser in Apport improperly treated the CrashDB field as python code. An attacker could use this to convince a user to open a maliciously crafted crash file and execute arbitrary code with the privileges of that user. This issue only affected...

USN-3149-1: Linux kernel vulnerability

Philip Pettersson discovered a race condition in the afpacket implementation in the Linux kernel. A local unprivileged attacker could use this to cause a denial of service system crash or run arbitrary code with administrative privileges...

USN-3147-1: Linux kernel vulnerabilities

Andreas Gruenbacher and Jan Kara discovered that the filesystem implementation in the Linux kernel did not clear the setgid bit during a setxattr call. A local attacker could use this to possibly elevate group privileges. CVE-2016-7097 Marco Grassi discovered that the driver for Areca RAID...

USN-3146-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3146-1 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. It was discovered that the getuserasmex implementation in the Linux kernel for x86/x86...

USN-3114-1: nginx vulnerability

Dawid Golunski discovered that the nginx package incorrectly handled log file permissions. A remote attacker could possibly use this issue to obtain root privileges...

USN-3092-1: Samba vulnerability

Stefan Metzmacher discovered that Samba incorrectly handled certain flags in SMB2/3 client connections. A remote attacker could use this issue to disable client signing and impersonate servers by performing a machine-in-the-middle attack. Samba has been updated to 4.3.11 in Ubuntu 14.04 LTS and...

USN-3070-2: Linux kernel (Raspberry Pi 2) vulnerabilities

A missing permission check when settings ACLs was discovered in nfsd. A local user could exploit this flaw to gain access to any file by setting an ACL. CVE-2016-1237 Kangjie Lu discovered an information leak in the Reliable Datagram Sockets RDS implementation in the Linux kernel. A local attacke...

USN-3019-1: Linux kernel (Utopic HWE) vulnerabilities

Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correctly perform validation when handling 32 bit compatibility IPTSOSETREPLACE events on 64 bit platforms. A local unprivileged attacker could use this to cause a denial of service system crash or execute...

USN-3016-4: Linux kernel (Xenial HWE) vulnerabilities

USN-3016-1 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. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not...

USN-2991-1: nginx vulnerability

It was discovered that nginx incorrectly handled saving client request bodies to temporary files. A remote attacker could possibly use this issue to cause nginx to crash, resulting in a denial of service...

USN-2978-2: Linux kernel (Wily HWE) vulnerabilities

USN-2978-1 fixed vulnerabilities in the Linux kernel for Ubuntu 15.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 15.10 for Ubuntu 14.04 LTS. David Matlack discovered that the Kernel-based Virtual Machine KVM implementation in the Linux...

USN-2954-1: 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 5.7.12 in Ubuntu 16.04 LTS. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes...

USN-2946-1: Linux kernel vulnerabilities

Venkatesh Pottem discovered a use-after-free vulnerability in the Linux kernel's CXGB3 driver. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2015-8812 Xiaofei Rex Guo discovered a timing side channel vulnerability in the Linux...

USN-2917-1: Firefox vulnerabilities

Francis Gabriel discovered a buffer overflow during ASN.1 decoding in NSS. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user...

USN-2805-1: Linux kernel (Utopic HWE) vulnerability

Ben Serebrin discovered that the KVM hypervisor implementation in the Linux kernel did not properly catch Alignment Check exceptions. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS...

USN-2797-1: Linux kernel (Utopic HWE) vulnerabilities

It was discovered that the Linux kernel did not check if a new IPv6 MTU set by a user space application was valid. A remote attacker could forge a route advertisement with an invalid MTU that a user space daemon like NetworkManager would honor and apply to the kernel, causing a denial of service...

USN-2745-1: QEMU vulnerabilities

Lian Yihan discovered that QEMU incorrectly handled certain payload messages in the VNC display driver. A malicious guest could use this issue to cause the QEMU process to hang, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. CVE-2015-5239 Qinghao...

USN-2591-1: curl vulnerabilities

Paras Sethia discovered that curl could incorrectly re-use NTLM HTTP credentials when subsequently connecting to the same host over HTTP. CVE-2015-3143 Hanno Böck discovered that curl incorrectly handled zero-length host names. If a user or automated system were tricked into using a specially...

USN-2527-1: Linux kernel (Trusty HWE) vulnerability

It was discovered that the Linux kernel's Infiniband subsystem did not properly sanitize its input parameters while registering memory regions from userspace. A local user could exploit this flaw to cause a denial of service system crash or to potentially gain administrative privileges...

USN-2522-2: ICU regression

USN-2522-1 fixed vulnerabilities in ICU. On Ubuntu 12.04 LTS, the font patches caused a regression when using LibreOffice Calc. The patches have been temporarily backed out until the regression is investigated. We apologize for the inconvenience. Original advisory details: It was discovered that...

USN-2515-1: Linux kernel (Trusty HWE) vulnerabilities

A flaw was discovered in the Kernel Virtual Machine's KVM emulation of the SYSTENTER instruction when the guest OS does not initialize the SYSENTER MSRs. A guest OS user could exploit this flaw to cause a denial of service of the guest OS crash or potentially gain privileges on the guest OS...

USN-2359-1: Linux kernel vulnerabilities

Jack Morgenstein reported a flaw in the page handling of the KVM Kerenl Virtual Machine subsystem in the Linux kernel. A guest OS user could exploit this flaw to cause a denial of service host OS memory corruption or possibly have other unspecified impact on the host OS. CVE-2014-3601 Jason...