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USN-4283-1: QEMU vulnerabilities qemu vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in QEMU. Software Description qemu – Machine emulator and virtualizer Details Felipe Franciosi, Raphael Norwitz, and Peter Turschmid discovered that QEMU incorrectly handled iSCSI server responses. A remote attacker in control of the iSCSI server could use this issue to cause QEMU to crash, leading to a denial of service, or possibly execute arbitrary code. (CVE-2020-1711) It was discovered that the QEMU libslirp component incorrectly handled memory. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-7039, CVE-2020-8608) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 [ more… ]

USN-4280-2: ClamAV vulnerability clamav vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary ClamAV could be made to crash if it opened a specially crafted file. Software Description clamav – Anti-virus utility for Unix Details USN-4280-1 fixed a vulnerability in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: It was discovered that ClamAV incorrectly handled memory when the Data-Loss-Prevention (DLP) feature was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM clamav – 0.102.2+dfsg-0ubuntu0.14.04.1+esm1 Ubuntu 12.04 ESM clamav – 0.102.2+dfsg-0ubuntu0.12.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This [ more… ]

USN-4282-1: PostgreSQL vulnerability postgresql-10, postgresql-11 vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Summary PostgreSQL could allow unintended access to the database. Software Description postgresql-11 – Object-relational SQL database postgresql-10 – Object-relational SQL database Details It was discovered that PostgreSQL incorrectly performed authorization checks when handling the "ALTER … DEPENDS ON EXTENSION" sub-commands. A remote attacker could possibly use this issue to drop any function, procedure, materialized view, index, or trigger under certain conditions. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 postgresql-11 – 11.7-0ubuntu0.19.10.1 Ubuntu 18.04 LTS postgresql-10 – 10.12-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart [ more… ]

USN-4281-1: WebKitGTK+ vulnerabilities webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Summary Several security issues were fixed in WebKitGTK+. Software Description webkit2gtk – Web content engine library for GTK+ Details 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 attacks, and arbitrary code execution. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libjavascriptcoregtk-4.0-18 – 2.26.4-0ubuntu0.19.10.1 libwebkit2gtk-4.0-37 – 2.26.4-0ubuntu0.19.10.1 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.26.4-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.26.4-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, [ more… ]

USN-4280-1: ClamAV vulnerability clamav vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary ClamAV could be made to crash if it opened a specially crafted file. Software Description clamav – Anti-virus utility for Unix Details It was discovered that ClamAV incorrectly handled memory when the Data-Loss-Prevention (DLP) feature was enabled. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 clamav – 0.102.2+dfsg-0ubuntu0.19.10.1 Ubuntu 18.04 LTS clamav – 0.102.2+dfsg-0ubuntu0.18.04.1 Ubuntu 16.04 LTS clamav – 0.102.2+dfsg-0ubuntu0.16.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, which includes additional bug fixes. In general, a standard system [ more… ]