USN-3552-1: Firefox vulnerability

Johann Hofmann discovered that HTML fragments created for chrome-privileged documents were not properly sanitized. An attacker could exploit this to execute arbitrary code. CVE-2018-5124...

USN-3553-1: Ruby vulnerabilities

It was discovered that Ruby failed to validate specification names. An attacker could possibly use a maliciously crafted gem to potentially overwrite any file on the filesystem. CVE-2017-0901 It was discovered that Ruby was vulnerable to a DNS hijacking vulnerability. An attacker could use this t...

USN-3551-1: WebKitGTK+ vulnerabilities

Multiple security issues were discovered in the WebKitGTK+ Web and JavaScript engines. 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 user interface, or execute arbitrary code. CVE-2018-4088,...

USN-3550-1: ClamAV vulnerabilities

It was discovered that ClamAV incorrectly handled parsing certain mail messages. A remote attacker could use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. CVE-2017-12374, CVE-2017-12375, CVE-2017-12379, CVE-2017-12380 It was discovered...

USN-3529-1: Thunderbird vulnerabilities

It was discovered that a From address encoded with a null character is cut off in the message header display. An attacker could potentially exploit this to spoof the sender address. CVE-2017-7829 It was discovered that it is possible to execute JavaScript in RSS feeds in some circumstances. If a...

USN-3549-1: Linux kernel (KVM) vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. CVE-2017-5715,...

USN-3548-2: Linux kernel (HWE) vulnerability

USN-3548-1 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. Jay Vosburgh discovered a logic error in the x86-64 syscall entry implementation in the Linux...

USN-3548-1: Linux kernel vulnerability

Jay Vosburgh discovered a logic error in the x86-64 syscall entry implementation in the Linux kernel, introduced as part of the mitigations for the Spectre vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code...

USN-3547-1: Libtasn1 vulnerabilities

It was discovered that Libtasn1 incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-10790 It was discovered that Libtasn1...

USN-3537-2: MySQL vulnerabilities

USN-3537-1 fixed 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 5.5.59 in...

USN-3544-1: 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, spoof the origin in audio capture prompts, trick the user in to providing HTTP...

USN-3546-1: gcab vulnerability

Richard Hughes discovered that gcab incorrectly handled certain malformed cabinet files. If a user or automated system were tricked into opening a specially crafted cabinet file, a remote attacker could use this issue to cause gcab to crash, resulting in a denial of service, or possibly execute...

USN-3543-2: rsync vulnerabilities

USN-3543-1 fixed vulnerabilities in rsync. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that rsync incorrectly handled certain data input. An attacker could possibly use this to cause a denial of service or execute arbitrary code...

USN-3543-1: rsync vulnerabilities

It was discovered that rsync incorrectly handled certain data input. An attacker could possibly use this to cause a denial of service or execute arbitrary code. CVE-2017-16548 It was discovered that rsync incorrectly parsed certain arguments. An attacker could possibly use this to bypass argument...

USN-3542-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3542-1 addressed 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. Jann Horn discovered that microprocessors utilizing speculative execution and bran...

USN-3541-2: Linux kernel (HWE) vulnerabilities

USN-3541-1 addressed 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. Jann Horn discovered that microprocessors utilizing speculative execution and branch...

USN-3542-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3540-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3540-1 addressed 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 microprocessors utilizing speculative execution and bran...

USN-3541-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3540-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3539-1: GIMP vulnerabilities

It was discovered that GIMP incorrectly handled certain images. If a user were tricked into opening a specially crafted image, an attacker could possibly use this to execute arbitrary code. CVE-2017-17784, CVE-2017-17785, CVE-2017-17786, CVE-2017-17787, CVE-2017-17788, CVE-2017-17789...

USN-3538-1: OpenSSH vulnerabilities

Jann Horn discovered that OpenSSH incorrectly loaded PKCS11 modules from untrusted directories. A remote attacker could possibly use this issue to execute arbitrary PKCS11 modules. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2016-10009 Jann Horn discovered that OpenSSH...

USN-3537-1: 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 5.5.59 in Ubuntu 14.04 LTS. Ubuntu 16.04 LTS, and Ubuntu 17.10 have been updated to MySQL 5.7.21. In addition to security fixes, the updated packag...

USN-3531-2: Intel Microcode regression

USN-3531-1 updated Intel microcode to the 20180108 release. Regressions were discovered in the microcode updates which could cause system instability on certain hardware platforms. At the request of Intel, we have reverted to the previous packaged microcode version, the 20170707 release. Original...

USN-3535-2: Bind vulnerability

USN-3535-1 fixed a vulnerability in Bind. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Jayachandran Palanisamy discovered that the Bind resolver incorrectly handled fetch cleanup sequencing. A remote attacker could possibly use this issue to cause...

USN-3536-1: GNU C Library vulnerability

It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local attacker could potentially exploit this to execute arbitrary code in setuid programs and gain administrative privileges. CVE-2018-1000001...

USN-3534-1: GNU C Library vulnerabilities

It was discovered that the GNU C library did not properly handle all of the possible return values from the kernel getcwd2 syscall. A local attacker could potentially exploit this to execute arbitrary code in setuid programs and gain administrative privileges. CVE-2018-1000001 A memory leak was...

USN-3535-1: Bind vulnerability

Jayachandran Palanisamy discovered that the Bind resolver incorrectly handled fetch cleanup sequencing. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service...

USN-3533-1: Transmission vulnerability

It was discovered that Transmission incorrectly handled certain POST requests to the RPC server and allowed DNS rebinding attack. An attacker could possibly use this issue to execute arbitrary code...

USN-3532-1: GDK-PixBuf vulnerabilities

It was discoreved that GDK-PixBuf incorrectly handled certain gif images. An attacker could use this to execute arbitrary code. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-1000422 Ariel Zelivansky discovered that GDK-PixBuf incorrectly handled certain images. An...

USN-3531-1: Intel Microcode 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. A local attacker could use this to expose sensitive information, including kernel memory. CVE-2017-5715 This...

USN-3530-1: WebKitGTK+ vulnerabilities

It was discovered that speculative execution performed by modern CPUs could leak information through a timing side-channel attack, and that this could be exploited in web browser JavaScript engines. If a user were tricked in to opening a specially crafted website, an attacker could potentially...

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-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-3527-1: Irssi vulnerabilities

Joseph Bisch discovered that Irssi incorrectly handled incomplete escape codes. If a user were tricked into using malformed commands or opening malformed files, an attacker could use this issue to cause Irssi to crash, resulting in a denial of service. CVE-2018-5205 Joseph Bisch discovered that...

USN-3523-3: Linux kernel (Raspberry Pi 2) vulnerabilities

Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel did not properly check the relationship between pointer values and the BPF stack. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-1786...

USN-3523-2: Linux kernel (HWE) vulnerabilities

USN-3523-1 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. Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch...

USN-3526-1: SSSD vulnerability

It was discovered that SSSD incorrectly handled certain inputs when querying its local cache. An attacker could use this to inject arbitrary code and expose sensitive information...

USN-3525-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3524-2: Linux kernel (Trusty HWE) vulnerability

USN-3524-1 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. Jann Horn discovered that microprocessors utilizing speculative execution and indirect...

USN-3524-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3522-1: Linux kernel vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3523-1: Linux kernel vulnerabilities

Jann Horn discovered that microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Meltdown. A local attacker could use this to expose sensitive information, including kernel memory...

USN-3522-2: Linux (Xenial HWE) vulnerability

USN-3522-1 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 microprocessors utilizing speculative execution and indirect...

USN-3521-1: NVIDIA graphics drivers vulnerability

Jann Horn discovered that microprocessors utilizing speculative execution and branch prediction may allow unauthorized memory reads via sidechannel attacks. This flaw is known as Spectre. A local attacker could use this to expose sensitive information, including kernel memory. This update provide...

USN-3520-1: PySAML2 vulnerability

It was discovered that PySAML2 incorrectly accepted any password when run with python optimizations enabled. An attacker could use this issue to authenticate as any user without a valid password...

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-3518-1: AWStats vulnerability

It was discovered that AWStats incorrectly filtered certain parameters. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3517-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled certain files. If a user or automated system were tricked into opening a crafted PDF file, an attacker could execute arbitrary. CVE-2017-1000456 It was discovered that poppler incorrectly handled certain files. If a user or automated system were...