ubuntu-usn

USN-4181-1: WebKitGTK+ vulnerabilities webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 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 – 2.26.2-0ubuntu0.19.10.1 libwebkit2gtk-4.0-37 – 2.26.2-0ubuntu0.19.10.1 Ubuntu 19.04 libjavascriptcoregtk-4.0-18 – 2.26.2-0ubuntu0.19.04.1 libwebkit2gtk-4.0-37 – 2.26.2-0ubuntu0.19.04.1 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.26.2-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.26.2-0ubuntu0.18.04.1 To update your system, please follow [ more… ]

USN-4180-1: Bash vulnerability bash vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 ESM Summary Bash could be made to crash or execute arbitrary code if it received a specially crafted input. Software Description bash – GNU Bourne Again SHell Details It was discovered that Bash incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash or execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM bash – 4.2-2ubuntu2.9 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart Bash to make all the necessary changes. References CVE-2012-6711 Source: USN-4180-1: Bash vulnerability

USN-4179-1: FriBidi vulnerability fribidi vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Summary Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text. Software Description fribidi – Free Implementation of the Unicode BiDi algorithm (utility) Details Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly execute arbitrary code. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 libfribidi0 – 1.0.5-3.1ubuntu0.19.10.1 Ubuntu 19.04 libfribidi0 – 1.0.5-3.1ubuntu0.19.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References CVE-2019-18397 Source: USN-4179-1: FriBidi vulnerability

USN-4178-1: WebKitGTK+ vulnerabilities webkit2gtk vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 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 19.04 libjavascriptcoregtk-4.0-18 – 2.26.1-0ubuntu0.19.04.3 libwebkit2gtk-4.0-37 – 2.26.1-0ubuntu0.19.04.3 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.26.1-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.26.1-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, [ more… ]

USN-4177-1: Rygel vulnerability rygel vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Summary The system could be made to expose sensitive information. Software Description rygel – GNOME UPnP/DLNA services Details It was discovered that the Rygel package automatically started the daemon by default in user sessions. In certain environments, this resulted in media being shared contrary to expectations. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10 rygel – 0.38.1-2ubuntu3.3 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. After a standard system update you need to restart your session to make all the necessary changes. References LP: 1848692 Source: USN-4177-1: Rygel vulnerability