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-4150-1: Thunderbird vulnerabilities

It was discovered that encrypted S/MIME parts in a multipart message can leak plaintext contents when included in a HTML reply or forward in some circumstances. If a user were tricked in to replying to or forwarding a specially crafted message, an attacker could potentially exploit this to obtain...

USN-4038-2: bzip2 vulnerabilities

USN-4038-1 fixed several vulnerabilities in bzip2. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Aladdin Mubaied discovered that bzip2 incorrectly handled certain files. An attacker could possibly use this issue to cause a deni...

USN-3888-1: GVfs vulnerability

It was discovered that GVfs incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information...

USN-3875-1: OpenJDK vulnerability

It was discovered that a memory disclosure issue existed in the OpenJDK Library subsystem. An attacker could use this to expose sensitive information and possibly bypass Java sandbox restrictions. CVE-2019-2422...

USN-3847-2: Linux kernel (HWE) vulnerabilities

USN-3847-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.04 LTS for Ubuntu 16.04 LTS. It was discovered that a race condition existed in the raw MIDI driver for the Linux...

USN-3767-1: GLib vulnerabilities

It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. CVE-2018-16428 It was discovered that GLib incorrectly handled certain files. An attacker could possibly use this issue to access...

USN-3765-2: curl vulnerability

USN-3765-1 fixed a vulnerability in curl. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that curl incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code...

USN-3761-2: Firefox regressions

USN-3761-1 fixed vulnerabilities in Firefox. The update caused several regressions affecting spellchecker dictionaries and search engines. This update fixes the problems. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in Firefox. If a user...

USN-3746-1: APT vulnerability

It was discovered that APT incorrectly handled the mirror method mirror://. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be used to install altered packages in environments configured to use mirror:// entries...

USN-3693-1: JasPer vulnerabilities

It was discovered that JasPer incorrectly handled certain malformed JPEG-2000 image files. If a user or automated system using JasPer 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-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-3680-1: libvirt vulnerability and update

Ken Johnson and Jann Horn independently discovered that microprocessors utilizing speculative execution of a memory read may allow unauthorized memory reads via sidechannel attacks. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This update...

USN-3610-1: ICU vulnerability

It was discovered that ICU incorrectly handled certain calendars. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash, leading to a denial of service...

USN-3579-2: LibreOffice regression

USN-3579-1 fixed a vulnerability in LibreOffice. After upgrading, it was no longer possible for LibreOffice to open documents from certain locations outside of the user's home directory. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovere...

USN-3572-1: FreeType vulnerability

It was discovered that FreeType incorrectly handled certain files. An attacker could possibly use this to cause a denial of service...

USN-3522-4: Linux kernel (Xenial HWE) regression

USN-3522-2 fixed a vulnerability in the Linux Hardware Enablement kernel for Ubuntu 14.04 LTS 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...

USN-3510-1: 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-3484-3: Linux kernel (GCP) vulnerability

It was discovered that the KVM subsystem in the Linux kernel did not properly keep track of nested levels in guest page tables. A local attacker in a guest VM could use this to cause a denial of service host OS crash or possibly execute arbitrary code in the host OS...

USN-3454-2: libffi vulnerability

USN-3454-1 fixed a vulnerability in libffi. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libffi incorrectly enforced an executable stack. An attacker could possibly use this issue, in combination with another vulnerability, ...

USN-3346-2: Bind regression

USN-3346-1 fixed vulnerabilities in Bind. The fix for CVE-2017-3142 introduced a regression in the ability to receive an AXFR or IXFR in the case where TSIG is used and not every message is signed. This update fixes the problem. In addition, this update adds the new root zone key signing key KSK...

USN-3389-1: GD vulnerability

A vulnerability was discovered in GD Graphics Library aka libgd, as used in PHP that does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read bytes from the top of the stack...

USN-3377-1: Linux kernel vulnerabilities

Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs rename operations in the Linux kernel. An unprivileged local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2017-7533 It was discovered that the Linux kernel did n...

USN-3376-1: 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-3370-2: Apache HTTP Server vulnerability

USN-3370-1 fixed a vulnerability in Apache HTTP Server. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Robert Święcki discovered that the Apache HTTP Server modauthdigest module incorrectly cleared values when processing certain requests. A remote...

USN-3355-1: Spice vulnerability

Frediano Ziglio discovered that Spice incorrectly handled certain invalid monitor configurations. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3342-2: Linux kernel (HWE) vulnerabilities

USN-3342-1 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. USN-3333-1 fixed a vulnerability in the Linux kernel. However, that fix introduced regressions...

USN-3334-1: Linux kernel (Xenial HWE) vulnerability

USN-3328-1 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 stack guard page for processes in the Linux kernel was not...

USN-3323-1: GNU C Library vulnerability

It was discovered that the GNU C library did not properly handle memory when processing environment variables for setuid programs. A local attacker could use this in combination with another vulnerability to gain administrative privileges...

USN-3294-1: Bash vulnerabilities

Bernd Dietzel discovered that Bash incorrectly expanded the hostname when displaying the prompt. If a remote attacker were able to modify a hostname, this flaw could be exploited to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu 16.10. CVE-2016-0634...

USN-3274-1: ICU vulnerabilities

It was discovered that ICU incorrectly handled certain memory operations when processing data. If an application using ICU processed crafted data, a remote attacker could possibly cause it to crash or potentially execute arbitrary code with the privileges of the user invoking the program...

USN-3250-1: 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-3219-2: Linux kernel (Trusty HWE) vulnerability

USN-3219-1 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. Alexander Popov discovered that the NHDLC line discipline implementation in the Linux...

USN-3151-1: 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-3149-2: Linux kernel (Trusty HWE) vulnerability

USN-3149-1 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. Philip Pettersson discovered a race condition in the afpacket implementation in the...

USN-3128-1: Linux kernel vulnerability

Ondrej Kozina discovered that the keyring interface in the Linux kernel contained a buffer overflow when displaying timeout events via the /proc/keys interface. A local attacker could use this to cause a denial of service system crash...

USN-3076-1: Firefox vulnerabilities

Atte Kettunen discovered an out-of-bounds read when handling certain Content Security Policy CSP directives in some circumstances. 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...

USN-3070-3: Linux kernel (Qualcomm Snapdragon) 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-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-3017-3: Linux kernel (Wily HWE) vulnerabilities

USN-3017-1 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. Jesse Hertz and Tim Newsham discovered that the Linux netfilter implementation did not correct...

USN-3016-3: Linux kernel (Qualcomm Snapdragon) 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-3010-1: Expat vulnerabilities

It was discovered that Expat unexpectedly called srand in certain circumstances. This could reduce the security of calling applications. CVE-2012-6702 It was discovered that Expat incorrectly handled seeding the random number generator. A remote attacker could possibly use this issue to cause a...

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-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-2904-1: Thunderbird vulnerabilities

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information. CVE-2015-7575 Yves Younan discovered that...

USN-2881-1: 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 5.5.47 in Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Ubuntu 15.04 and Ubuntu 15.10 have been updated to MySQL 5.6.28. In addition to security fixes, th...

USN-2866-1: Firefox vulnerability

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

USN-2864-1: NSS vulnerability

Karthikeyan Bhargavan and Gaetan Leurent discovered that NSS incorrectly allowed MD5 to be used for TLS 1.2 connections. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could be exploited to view sensitive information...

USN-2840-2: Linux kernel (OMAP4) vulnerability

Dmitry Vyukov discovered that the Linux kernel's keyring handler attempted to garbage collect incompletely instantiated keys. A local unprivileged attacker could use this to cause a denial of service system crash...

USN-2833-1: Firefox vulnerabilities

Andrei Vaida, Jesse Ruderman, Bob Clary, Christian Holler, Jesse Ruderman, Eric Rahm, Robert Kaiser, Harald Kirschner, and Michael Henretty discovered multiple memory safety issues in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit...