SECURITY

USN-4132-1: Expat vulnerability expat vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Expat could be made to expose sensitive information if it received a specially crafted XML file. Software Description expat – XML parsing C library Details It was discovered that Expat incorrectly handled certain XML files. An attacker could possibly use this issue to expose sensitive information. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 libexpat1 – 2.2.6-1ubuntu0.19.5 Ubuntu 18.04 LTS libexpat1 – 2.2.5-3ubuntu0.2 Ubuntu 16.04 LTS lib64expat1 – 2.1.0-7ubuntu0.16.04.5 libexpat1 – 2.1.0-7ubuntu0.16.04.5 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-2019-15903 Source: USN-4132-1: Expat vulnerability

USN-4131-1: VLC vulnerabilities vlc 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 VLC. Software Description vlc – multimedia player and streamer Details It was discovered that VLC incorrectly handled certain media files. If a user were tricked into opening a specially-crafted file, a remote attacker could use this issue to cause VLC to crash, resulting in 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 19.04 vlc – 3.0.8-0ubuntu19.04.1 Ubuntu 18.04 LTS vlc – 3.0.8-0ubuntu18.04.1 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-2019-13962 CVE-2019-14437 CVE-2019-14438 CVE-2019-14498 CVE-2019-14533 CVE-2019-14534 CVE-2019-14535 CVE-2019-14776 CVE-2019-14777 CVE-2019-14778 [ more… ]

USN-4130-1: 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 – 2.24.4-0ubuntu0.19.04.1 libwebkit2gtk-4.0-37 – 2.24.4-0ubuntu0.19.04.1 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.24.4-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.24.4-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, [ more… ]

USN-4129-1: curl vulnerabilities curl vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Summary Several security issues were fixed in curl. Software Description curl – HTTP, HTTPS, and FTP client and client libraries Details Thomas Vegas discovered that curl incorrectly handled memory when using Kerberos over FTP. A remote attacker could use this issue to crash curl, resulting in a denial of service. (CVE-2019-5481) Thomas Vegas discovered that curl incorrectly handled memory during TFTP transfers. A remote attacker could use this issue to crash curl, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2019-5482) Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 19.04 curl – 7.64.0-2ubuntu1.2 libcurl3-gnutls – 7.64.0-2ubuntu1.2 libcurl3-nss – 7.64.0-2ubuntu1.2 libcurl4 – 7.64.0-2ubuntu1.2 Ubuntu 18.04 [ more… ]