USN-4128-1 tomcat8 vulnerabilities

It was discovered that the Tomcat 8 SSI printenv command echoed user provided data without escaping it. An attacker could possibly use this issue to perform an XSS attack. CVE-2019-0221 It was discovered that Tomcat 8 did not address HTTP/2 connection window exhaustion on write while addressing...

USN-4118-1 linux-aws vulnerabilities

It was discovered that the alarmtimer implementation in the Linux kernel contained an integer overflow vulnerability. A local attacker could use this to cause a denial of service. CVE-2018-13053 Wen Xu discovered that the XFS filesystem implementation in the Linux kernel did not properly track...

USN-4049-2 glib2.0 vulnerability

USN-4049-1 fixed a vulnerability in GLib. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that GLib created directories and files without properly restricting permissions. An attacker could possibly use this iss...

USN-4038-4 bzip2 regression

USN-4038-1 fixed a vulnerability in bzip2. The update introduced a regression causing bzip2 to incorrect raises CRC errors for some files. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. We apologize for the inconvenience. Original advisory details: It was...

USN-4035-1 ceph vulnerabilities

It was discovered that Ceph incorrectly handled read only permissions. An authenticated attacker could use this issue to obtain dm-crypt encryption keys. This issue only affected Ubuntu 16.04 LTS. CVE-2018-14662 It was discovered that Ceph incorrectly handled certain OMAPs holding bucket indices...

USN-4006-2 linux-hwe vulnerability

USN-4006-1 fixed a vulnerability in the Linux kernel for Ubuntu 18.10. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 18.10 for Ubuntu 18.04 LTS. Federico Manuel Bento discovered that the Linux kernel did not properly apply Address Space...

USN-4001-1 libseccomp vulnerability

Jann Horn discovered that libseccomp did not correctly generate 64-bit syscall argument comparisons with arithmetic operators LT, GT, LE, GE. An attacker could use this to bypass intended access restrictions for argument-filtered system calls...

USN-3991-1 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, spoof the browser UI, trick the user in to launching local executable binaries, obtain sensitive...

USN-3910-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3910-1 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 f2fs filesystem implementation in the Linux kernel did not...

USN-3871-5 linux-azure vulnerabilities

Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem implementation in the Linux kernel. An attacker could use this to construct a malicious ext4 image that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code...

USN-3871-4 linux-hwe, linux-aws-hwe, linux-gcp vulnerabilities

USN-3871-1 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. Wen Xu discovered that a use-after-free vulnerability existed in the ext4 filesystem...

USN-3834-1 perl vulnerabilities

Jayakrishna Menon discovered that Perl incorrectly handled Perlmysetenv. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-18311 Eiichi Tsukata discovered that Perl incorrectly handled certain regular expression...

USN-3820-2 linux-hwe, linux-azure, linux-gcp vulnerabilities

USN-3820-1 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. Felix Wilhelm discovered that the Xen netback driver in the Linux kernel did not...

USN-3797-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Noam Rathaus discovered that a use-after-free vulnerability existed in the Infiniband implementation in the Linux kernel. An attacker could use this to cause a denial of service system crash. CVE-2018-14734 It was discovered that an integer overflow existed in the CD-ROM driver of the Linux kerne...

USN-3777-1 linux, linux-aws, linux-gcp, linux-kvm, linux-oem, linux-raspi2 vulnerabilities

Jann Horn discovered that the vmacache subsystem did not properly handle sequence number overflows, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2018-17182 It was discovered that the...

USN-3776-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3776-1 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. Jann Horn discovered that the vmacache subsystem did not properly handle sequence numb...

USN-3758-1 libx11 vulnerabilities

Tobias Stoeckmann discovered that libx11 incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information CVE-2016-7942 Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to access...

USN-3696-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3696-1 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 an integer overflow existed in the perf subsystem of the Linux...

USN-3663-1 haproxy vulnerability

It was discovered that HAProxy incorrectly handled certain resquests. An attacker could possibly use this to expose sensitive information...

USN-3656-1 linux-raspi2, linux-snapdragon vulnerabilities

Tuba Yavuz discovered that a double-free error existed in the USBTV007 driver of the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-17975 It was discovered that a race condition existed in the F2FS implementatio...

USN-3655-1 linux 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-3639-1 libraw vulnerabilities

It was discovered that LibRaw incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. CVE-2018-10528 It was discovered that LibRaw incorrectly handled certain files. An attacker could possibly use this to obtain sensitive information. CVE-2018-10529...

USN-3617-2 linux-hwe, linux-gcp, linux-oem vulnerabilities

USN-3617-1 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 a race condition leading to a use-after-free vulnerability existed in t...

USN-3607-1 screen-resolution-extra vulnerability

It was discovered that Screen Resolution Extra was using PolicyKit in an unsafe manner. A local attacker could potentially exploit this issue to bypass intended PolicyKit authorizations...

USN-3561-1 libvirt update

It was discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. An attacker in the guest could use this to expose sensitive guest information, including kernel memory. This...

USN-3522-3 linux 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-3497-1 openjdk-7 vulnerabilities

It was discovered that the Smart Card IO subsystem in OpenJDK did not properly maintain state. An attacker could use this to specially construct an untrusted Java application or applet to gain access to a smart card, bypassing sandbox restrictions. CVE-2017-10274 Gaston Traberg discovered that th...

USN-3496-3 python3.4, python3.5 vulnerability

USN-3496-1 fixed a vulnerability in Python2.7. This update provides the corresponding update for versions 3.4 and 3.5. Original advisory details: It was discovered that Python incorrectly handled decoding certain strings. An attacker could possibly use this issue to execute arbitrary code...

USN-3406-1 linux vulnerabilities

It was discovered that an out of bounds read vulnerability existed in the associative array implementation in the Linux kernel. A local attacker could use this to cause a denial of service system crash or expose sensitive information. CVE-2016-7914 It was discovered that a NULL pointer dereferenc...

USN-3378-2 linux-lts-xenial vulnerabilities

USN-3378-1 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. Fan Wu and Shixiong Zhao discovered a race condition between inotify events and vfs...

USN-3377-2 linux-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-3378-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon 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-3344-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities

USN 3328-1 fixed a vulnerability in the Linux kernel. However, that fix introduced regressions for some Java applications. This update addresses the issue. We apologize for the inconvenience. Roee Hay discovered that the parallel port printer driver in the Linux kernel did not properly bounds che...

USN-3337-1 valgrind vulnerabilities

It was discovered that Valgrind incorrectly handled certain string operations. If a user or automated system were tricked into processing a specially crafted binary, a remote attacker could possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS and Ubuntu...

USN-3275-3 openjdk-7 regression

USN-3275-2 fixed vulnerabilities in OpenJDK 7. Unfortunately, the update introduced a regression when handling TLS handshakes. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that OpenJDK improperly re-used cached NTLM connections in...

USN-3278-1 thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to read uninitialized memory, cause a denial of service via application crash, or execute arbitrary code. CVE-2017-5429,...

USN-3281-1 fop vulnerability

Pierre Ernst discovered that Apache Fop incorrectly handled XML external entities. A remote attacker could possibly use this issue to obtain sensitive files from the filesystem, or cause a denial of service...

USN-3265-1 linux, linux-aws, linux-gke, linux-raspi2, linux-snapdragon vulnerabilities

It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-7374 Andrey Konovalov discovered an out-of-bounds access in the IPv6 Generic Routing Encapsulation G...

USN-3249-2 linux-lts-xenial vulnerability

USN-3249-1 fixed a vulnerability 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 xfrm framework for transforming packets in the Linux kernel...

USN-3235-1 libxml2 vulnerabilities

It was discovered that libxml2 incorrectly handled format strings. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS, Ubuntu 14.04 LTS...

USN-3222-1 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-3208-2 linux-lts-xenial vulnerabilities

USN-3208-1 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 generic SCSI block layer in the Linux kernel did not proper...

USN-3204-1 tomcat6, tomcat7 vulnerability

It was discovered that Tomcat incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to cause Tomcat to consume resources, resulting in a denial of service...

USN-3172-1 bind9 vulnerabilities

It was discovered that Bind incorrectly handled certain malformed responses to an ANY query. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. CVE-2016-9131 It was discovered that Bind incorrectly handled certain malformed responses to an AN...

USN-3161-4 linux-snapdragon vulnerabilities

Tilman Schmidt and Sasha Levin discovered a use-after-free condition in the TTY implementation in the Linux kernel. A local attacker could use this to expose sensitive information kernel memory. CVE-2015-8964 It was discovered that the Video For Linux Two v4l2 implementation in the Linux kernel d...

USN-3146-1 linux vulnerabilities

It was discovered that the getuserasmex implementation in the Linux kernel for x86/x8664 contained extended asm statements that were incompatible with the exception table. A local attacker could use this to gain administrative privileges. CVE-2016-9644 Andreas Gruenbacher and Jan Kara discovered...

USN-3134-1 python2.7, python3.2, python3.4, python3.5 vulnerabilities

It was discovered that the smtplib library in Python did not return an error when StartTLS fails. A remote attacker could possibly use this to expose sensitive information. CVE-2016-0772 Rémi Rampin discovered that Python would not protect CGI applications from contents of the HTTPPROXY environme...

USN-3098-1 linux vulnerabilities

Vladimír Beneš discovered an unbounded recursion in the VLAN and TEB Generic Receive Offload GRO processing implementations in the Linux kernel, A remote attacker could use this to cause a stack corruption, leading to a denial of service system crash. CVE-2016-7039 Marco Grassi discovered a...

USN-3016-1 linux 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-3014-1 spice vulnerabilities

Jing Zhao discovered that the Spice smartcard support incorrectly handled memory. A remote attacker could use this issue to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 15.10 and Ubuntu 16.04 LTS. CVE-2016-0749...