USN-3871-1: Linux kernel 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-3870-1: Spice vulnerability

Christophe Fergeau discovered that Spice incorrectly handled memory. A remote attacker could use this to cause Spice to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3868-1: 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, bypass same-origin restrictions, or execute arbitrary code...

USN-3869-1: Subversion vulnerability

Ivan Zhakov discovered that Subversion incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service...

USN-3867-1: MySQL vulnerabilities

Multiple security issues were discovered in MySQL and this update includes a new upstream MySQL version to fix these issues. Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10 have been updated to MySQL 5.7.25. In addition to security fixes, the updated packages contain bug fixes, new features,...

USN-3866-1: Ghostscript vulnerability

Tavis Ormandy discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files, execute arbitrary code, or cause a denial of...

USN-3707-2: NTP vulnerabilities

USN-3707-1 and USN-3349-1 fixed several vulnerabilities in NTP. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could...

USN-3865-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-20481, CVE-2018-20650...

USN-3864-1: LibTIFF 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-3863-2: APT vulnerability

USN-3863-1 fixed a vulnerability in APT. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: Max Justicz discovered that APT incorrectly handled certain parameters during redirects. If a remote attacker were able to perform a machine-in-the-middle attack...

USN-3863-1: APT vulnerability

Max Justicz discovered that APT incorrectly handled certain parameters during redirects. If a remote attacker were able to perform a machine-in-the-middle attack, this flaw could potentially be used to install altered packages...

USN-3862-1: Irssi vulnerability

It was discovered that Irssi incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or to execute arbitrary code...

USN-3861-2: PolicyKit vulnerability

USN-3861-1 fixed a vulnerability in PolicyKit. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that PolicyKit incorrectly handled certain large user UIDs. A local attacker with a large UID could possibly use this issue to perform...

USN-3861-1: PolicyKit vulnerability

It was discovered that PolicyKit incorrectly handled certain large user UIDs. A local attacker with a large UID could possibly use this issue to perform privileged actions...

USN-3860-2: libcaca vulnerabilities

USN-3860-1 fixed a vulnerability in libcaca. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. CVE-2018-20544 It...

USN-3860-1: libcaca vulnerabilities

It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to cause a denial of service. CVE-2018-20544 It was discovered that libcaca incorrectly handled certain images. An attacker could possibly use this issue to execute arbitrary code...

USN-3859-1: libarchive vulnerabilities

It was discovered that libarchive incorrectly handled certain archive files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-1000880 affected only Ubuntu 18.04 LTS and Ubuntu 18.10. CVE-2018-1000877, CVE-2018-1000878, CVE-2018-1000880 It was discovered that...

USN-3858-1: HAProxy vulnerabilities

It was discovered that HAProxy incorrectly handled certain requests. An attacker could possibly use this to expose sensitive information. CVE-2018-20102 It was discovered that HAProxy incorrectly handled certain requests. A attacker could possibly use this issue to cause a denial of service. This...

USN-3857-1: PEAR vulnerability

Fariskhi Vidyan discovered that PEAR ArchiveTar incorrectly handled certain archive paths. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3856-1: GNOME Bluetooth vulnerability

Chris Marchesi discovered that BlueZ incorrectly handled disabling Bluetooth visibility. A remote attacker could possibly pair to devices, contrary to expectations. This update adds a workaround to GNOME Bluetooth to fix the issue...

USN-3855-1: systemd vulnerabilities

It was discovered that systemd-journald allocated variable-length buffers for certain message fields on the stack. A local attacker could potentially exploit this to cause a denial of service, or execute arbitrary code. CVE-2018-16864 It was discovered that systemd-journald allocated...

USN-3854-1: 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-3853-1: GnuPG vulnerability

Ben Fuhrmannek discovered that GnuPG incorrectly handled Web Key Directory lookups. A remote attacker could possibly use this issue to cause a denial of service, or perform Cross-Site Request Forgery attacks...

USN-3852-1: Exiv2 vulnerabilities

It was discovered that Exiv2 incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. CVE-2017-9239 only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. CVE-2017-11591, CVE-2017-11683, CVE-2017-14859, CVE-2017-14862, CVE-2017-14864, CVE-2017-17669...

USN-3851-1: Django vulnerability

It was discovered that Django incorrectly handled the default 404 page. A remote attacker could use this issue to spoof content using a malicious URL...

USN-3850-1: NSS vulnerabilities

Keegan Ryan discovered that NSS incorrectly handled ECDSA key generation. A local attacker could possibly use this issue to perform a cache-timing attack and recover private ECDSA keys. CVE-2018-0495 It was discovered that NSS incorrectly handled certain v2-compatible ClientHello messages. A remo...

USN-3848-2: Linux kernel (Xenial HWE) vulnerabilities

USN-3848-1 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 double free existed in the AMD GPIO driver in the Linux kerne...

USN-3849-2: Linux kernel (Trusty HWE) vulnerabilities

USN-3849-1 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. It was discovered that a NULL pointer dereference existed in the keyring subsystem of...

USN-3849-1: Linux kernel vulnerabilities

It was discovered that a NULL pointer dereference existed in the keyring subsystem of the Linux kernel. A local attacker could use this to cause a denial of service system crash. CVE-2017-2647 It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to ...

USN-3848-1: Linux kernel vulnerabilities

It was discovered that a double free existed in the AMD GPIO driver in the Linux kernel. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-18174 It was discovered that an integer overrun vulnerability existed in the POSIX timers...

USN-3847-3: Linux kernel (Azure) vulnerabilities

USN-3847-1 fixed vulnerabilities in the Linux kernel for Ubuntu 18.04 LTS. This update provides the corresponding updates for the Linux kernel for Microsoft Azure Cloud systems for Ubuntu 14.04 LTS. It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leadi...

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-3847-1: Linux kernel vulnerabilities

It was discovered that a race condition existed in the raw MIDI driver for the Linux kernel, leading to a double free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2018-10902 It was discovered that an integer overr...

USN-3846-1: Linux kernel vulnerability

It was discovered that an integer overflow vulnerability existed in the CDROM driver of the Linux kernel. A local attacker could use this to expose sensitive information kernel memory...

USN-3845-1: FreeRDP vulnerabilities

Eyal Itkin discovered FreeRDP incorrectly handled certain stream encodings. A malicious server could use this issue to cause FreeRDP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applies to Ubuntu 18.04 LTS and Ubuntu 18.10. CVE-2018-8784,...

USN-3844-1: 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, bypass same-origin restritions, or execute arbitrary code. CVE-2018-12405, CVE-2018-12406, CVE-2018-1240...

USN-3843-2: pixman vulnerability

USN-3843-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that pixman incorrectly handled the generalcompositerect function. A remote attacker could use this issue to cause pixman to crash, resultin...

USN-3843-1: pixman vulnerability

It was discovered that pixman incorrectly handled the generalcompositerect function. A remote attacker could use this issue to cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code...

USN-3837-2: poppler regression

USN-3837-1 fixed vulnerabilities in poppler. A regression was reported regarding the previous update. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use...

USN-3842-1: CUPS vulnerability

Jann Horn discovered that CUPS incorrectly handled session cookie randomness. A remote attacker could possibly use this issue to perform cross-site request forgery CSRF attacks...

USN-3841-2: lxml vulnerability

USN-3841-1 fixed a vulnerability in lxml. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that lxml incorrectly handled certain HTML files. An attacker could possibly use this issue to conduct cross-site scripting XSS attacks...

USN-3841-1: lxml vulnerability

It was discovered that lxml incorrectly handled certain HTML files. An attacker could possibly use this issue to conduct cross-site scripting XSS attacks...

USN-3831-2: Ghostscript regression

USN-3831-1 fixed vulnerabilities in Ghostscript. Ghostscript 9.26 introduced a regression when used with certain options. This update fixes the problem. Original advisory details: It was discovered that Ghostscript contained multiple security issues. If a user or automated system were tricked int...

USN-3840-1: OpenSSL vulnerabilities

Samuel Weiser discovered that OpenSSL incorrectly handled DSA signing. An attacker could possibly use this issue to perform a timing side-channel attack and recover private DSA keys. CVE-2018-0734 Samuel Weiser discovered that OpenSSL incorrectly handled ECDSA signing. An attacker could possibly...

USN-3839-1: WavPack vulnerabilities

It was discovered that WavPack incorrectly handled certain WAV files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-19840, CVE-2018-19841...

USN-3838-1: 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-3811-3: SpamAssassin vulnerabilities

USN-3811-1 fixed a vulnerability in spamassassin. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled the PDFInfo plugin. A remote attacker could possibly use this issue to execute arbitrary code...

USN-3837-1: poppler vulnerabilities

It was discovered that poppler incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. CVE-2018-16646, CVE-2018-19058, CVE-2018-19059, CVE-2018-19060 It was discovered that poppler incorrectly handled certain PDF files. An attacker could...

USN-3836-2: Linux kernel (HWE) vulnerabilities

USN-3836-1 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. Jann Horn discovered that the Linux kernel mishandles mapping UID or GID ranges inside...

USN-3836-1: Linux kernel vulnerabilities

Jann Horn discovered that the Linux kernel mishandles mapping UID or GID ranges inside nested user namespaces in some situations. A local attacker could use this to bypass access controls on resources outside the namespace. CVE-2018-18955 Philipp Wendler discovered that the overlayfs implementati...