USN-3626-1 ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to execute arbitrary code. CVE-2018-6914 It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to access sensitive information. CVE-2018-8778,...

USN-3625-1 perl vulnerabilities

It was discovered that Perl incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Perl to hang, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. CVE-2015-8853 It was discovered that Perl incorrectly loaded libraries from th...

USN-3621-2 ruby1.9.1, ruby2.0 regression

USN-3621-1 fixed vulnerabilities in Ruby. The update caused an issue due to an incomplete patch for CVE-2018-1000074. This update reverts the problematic patch pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that Ruby incorrectly...

USN-3624-1 patch vulnerabilities

It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this to cause a denial of service. CVE-2016-10713 It was discovered that Patch incorrectly handled certain input validation. An attacker could possibly use this to execute arbitrary code. CVE-2018-10001...

USN-3623-1 ubuntu-release-upgrader vulnerability

It was discovered that ubuntu-release-upgrader did not correctly drop permissions before opening a browser to view the release notes. This update fixes the issue...

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-3596-2 firefox regression

USN-3596-1 fixed vulnerabilities in Firefox. The update caused an issue where it was not possible to customize the toolbars when running Firefox in Unity. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Multiple security issues were discovered in...

USN-3621-1 ruby1.9.1, ruby2.0, ruby2.3 vulnerabilities

It was discovered that Ruby incorrectly handled certain inputs. An attacker could possibly use this to access sensitive information. CVE-2018-1000073 It was discovered that Ruby incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. CVE-2018-1000074 It w...

USN-3620-1 linux vulnerabilities

It was discovered that the netlink 802.11 configuration interface in the Linux kernel did not properly validate some attributes passed from userspace. A local attacker with the CAPNETADMIN privilege could use this to cause a denial of service system crash or possibly execute arbitrary code...

USN-3619-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities

Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel improperly performed sign extension in some situations. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-16995 It was discovered that a...

USN-3618-1 libvncserver vulnerability

It was discovered that LibVNCServer incorrectly handled certain packet lengths. A remote attacker able to connect to a LibVNCServer could possibly use this issue to obtain sensitive information, cause a denial of service, or 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-3615-1 libraw vulnerabilities

It was discovered that LibRaw incorrectly handled photo files. If a user or automated system were tricked into processing a specially crafted photo file, a remote attacker could cause applications linked against LibRaw to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3614-1 openjdk-7 vulnerabilities

It was discovered that a race condition existed in the cryptography implementation in OpenJDK. An attacker could possibly use this to expose sensitive information. CVE-2018-2579 It was discovered that the LDAP implementation in OpenJDK did not properly encode login names. A remote attacker could...

USN-3545-1 thunderbird vulnerabilities

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, or execute arbitrary code. CVE-2018-5125, CVE-2018-5127, CVE-2018-5129,...

USN-3612-1 librelp vulnerability

Bas van Schaik and Kevin Backhouse discovered that librelp incorrectly handled checking certain x509 certificates. A remote attacker able to connect to rsyslog could possibly use this issue to execute arbitrary code...

USN-3611-1 openssl vulnerability

It was discovered that OpenSSL incorrectly handled certain ASN.1 types. A remote attacker could possibly use this issue to cause a denial of service...

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-3609-1 firefox vulnerability

A use-after-free was discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to cause a denial of service or execute arbitrary code...

USN-3608-1 zsh vulnerabilities

Richard Maciel Costa discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. CVE-2018-1071 It was discovered that Zsh incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code. CVE-2018-1083...

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-3606-1 tiff vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

USN-3605-1 sharutils vulnerability

It was discovered that Sharutils incorrectly handled certain files. An attacker could possibly use this to execute arbitrary code...

USN-3604-1 libvorbis vulnerability

Richard Zhu discovered that libvorbis incorrectly handled certain sound files. An attacker could use this to cause libvorbis to crash, resulting in a denial or service, or possibly execute arbitrary code...

USN-3603-1 paramiko vulnerability

Matthijs Kooijman discovered that Paramiko's SSH server implementation did not properly require authentication before processing requests. An unauthenticated remote attacker could possibly use this to execute arbitrary code...

USN-3602-1 tiff vulnerabilities

It was discovered that LibTIFF incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image, a remote attacker could crash the application, leading to a denial of service, or possibly execute arbitrary code with user privileges...

USN-3601-1 memcached vulnerability

It was discovered that Memcached incorrectly handled reusing certain items. A remote attacker could possibly use this issue to cause Memcached to crash, resulting in a denial of service...

USN-3599-1 firefox vulnerability

An out-of-bounds write was discovered when processing Vorbis audio data. If a user were tricked in to opening a specially crafted website, an attacker could exploit this to cause a denial of service, or execute arbitrary code. CVE-2018-5146...

USN-3598-1 curl vulnerabilities

Phan Thanh discovered that curl incorrectly handled certain FTP paths. An attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2018-1000120 Dario Weisser discovered that curl incorrectly handled certain LDAP URLs. An attacker could possibly use this issue t...

USN-3596-1 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 via application crash or opening new tabs, escape the sandbox, bypass same-origin restrictions, obtain...

USN-3595-1 samba vulnerabilities

Björn Baumbach discovered that Samba incorrectly validated permissions when changing account passwords via LDAP. An authenticated attacker could use this issue to change the password of other users, including administrators, and perform actions as those users. CVE-2018-1057 It was discovered that...

USN-3594-1 linux vulnerability

USN-3542-1 mitigated CVE-2017-5715 Spectre Variant 2 for the amd64 architecture in Ubuntu 14.04 LTS. This update provides the compiler-based retpoline kernel mitigation for the amd64 and i386 architectures. Original advisory details: Jann Horn discovered that microprocessors utilizing speculative...

USN-3593-1 zsh vulnerabilities

It was discovered that Zsh incorrectly handled certain enviroment variables. An attacker could possibly use this issue to gain privileged access to the system. This issue only affected Ubuntu 14.04 LTS. CVE-2014-10070 It was discovered that Zsh incorrectly handled certain inputs. An attacker coul...

USN-3592-1 clamav vulnerabilities

It was discovered that ClamAV incorrectly handled parsing certain PDF files. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2018-0202 Hanno Böck discovered that ClamAV incorrectly handled parsing certain X...

USN-3591-1 python-django vulnerabilities

James Davis discovered that Django incorrectly handled certain template filters. A remote attacker could possibly use this issue to cause Django to consume resources, resulting in a denial of service...

USN-3590-1 irssi vulnerabilities

It was discovered that Irssi incorrectly handled certain empty nick names. An attacker could possibly use this issue to cause a denial of service. CVE-2018-7050 It was discovered that Irssi incorrectly handled certain nick names. An attacker could possibly use this to access sensitive information...

USN-3585-1 twisted vulnerability

It was discovered that Twisted incorrectly handled certain HTTP requests. An attacker could possibly use this issue to execute arbitrary code...

USN-3588-1 memcached vulnerabilities

Daniel Shapira discovered an integer overflow issue in Memcached. A remote attacker could use this to cause a denial of service daemon crash. CVE-2017-9951 It was discovered that Memcached listened to UDP by default. A remote attacker could use this as part of a distributed denial of service...

USN-3587-1 dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled parsing certain email addresses. A remote attacker could use this issue to cause Dovecot to crash, resulting in a denial of service, or possibly obtain sensitive information. CVE-2017-14461 It was discovered that Dovecot incorrectly handled TLS S...

USN-3586-1 isc-dhcp vulnerabilities

Konstantin Orekhov discovered that the DHCP server incorrectly handled a large number of concurrent TCP sessions. A remote attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-2774 It was discovered that the...

USN-3584-1 sensible-utils vulnerability

Gabriel Corona discovered that sensible-utils incorrectly validated strings when launcher a browser with the sensible-browser tool. A remote attacker could possibly use this issue with a specially crafted URL to conduct an argument injection attack and execute arbitrary code...

USN-3583-1 linux vulnerabilities

It was discovered that an out-of-bounds write vulnerability existed in the Flash-Friendly File System f2fs in the Linux kernel. An attacker could construct a malicious file system that, when mounted, could cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-0750 It...

USN-3582-2 linux-lts-xenial, linux-aws vulnerabilities

USN-3582-1 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 the IPv4 raw socket implementation in the Linux kernel...

USN-3582-1 linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon 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-3581-2 linux-hwe, linux-azure, linux-gcp, linux-oem vulnerabilities

USN-3581-1 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. Mohamed Ghannam discovered that the IPv4 raw socket implementation in the Linux kernel contain...

USN-3577-1 cups vulnerability

Jann Horn discovered that CUPS permitted HTTP requests with the Host header set to "localhost.localdomain" from the loopback interface. If a user were tricked in to opening a specially crafted website in their web browser, an attacker could potentially exploit this to obtain sensitive information...

USN-3576-1 libvirt vulnerabilities

Vivian Zhang and Christoph Anton Mitterer discovered that libvirt incorrectly disabled password authentication when the VNC password was set to an empty string. A remote attacker could possibly use this issue to bypass authentication, contrary to expectations. This issue only affected Ubuntu 14.0...

USN-3575-1 qemu vulnerabilities

It was discovered that QEMU incorrectly handled guest ram. A privileged attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-11334 David Buchanan discovered that QEMU...

USN-3573-1 quagga vulnerabilities

It was discovered that a double-free vulnerability existed in the Quagga BGP daemon when processing certain forms of UPDATE message. A remote attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2018-5379 It was discovered that the Quagga BGP daemon did not...

USN-3571-1 erlang vulnerabilities

It was discovered that the Erlang FTP module incorrectly handled certain CRLF sequences. A remote attacker could possibly use this issue to inject arbitrary FTP commands. This issue only affected Ubuntu 14.04 LTS. CVE-2014-1693 It was discovered that Erlang incorrectly checked CBC padding bytes. ...