#ubuntu

Ubuntu Security Notice 5956-1 - Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM. It was discovered that PHPMailer was not properly escaping characters in certain fields of the code_generator.php example code. An attacker could possibly use this issue to conduct cross-site scripting attacks. This issue was only fixed in Ubuntu 16.04 ESM and Ubuntu 18.04 ESM.

Ubuntu Security Notice 5956-2 - USN-5956-1 fixed vulnerabilities in PHPMailer. It was discovered that the fix for CVE-2017-11503 was incomplete. This update fixes the problem. Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed by the system shell. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 ESM.

Ubuntu Security Notice 5855-2 - USN-5855-1 fixed a vulnerability in ImageMagick. This update provides the corresponding update for Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. It was discovered that ImageMagick incorrectly handled certain PNG images. If a user or automated system were tricked into opening a specially crafted PNG file, an attacker could use this issue to cause ImageMagick to stop responding, resulting in a denial of service, or possibly obtain the contents of arbitrary files by including them into images.

Ubuntu Security Notice 5955-1 - It was discovered that Emacs did not properly manage certain files when using htmlfontify functionality. A local attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary commands.

Ubuntu Security Notice 5952-1 - Sebastian Poeplau discovered that OpenJPEG incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS.

Ubuntu Security Notice 5953-1 - It was discovered that IPython incorrectly processed REST API POST requests. An attacker could possibly use this issue to launch a cross-site request forgery attack and leak user's sensitive information. This issue only affected Ubuntu 14.04 ESM. It was discovered that IPython did not properly manage cross user temporary files. A local attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 18.04 ESM and Ubuntu 20.04 ESM.

Ubuntu Security Notice 5951-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that the NVMe driver in the Linux kernel did not properly handle reset events in some situations. A local attacker could use this to cause a denial of service.

Ubuntu Security Notice 5950-1 - It was discovered that the Upper Level Protocol subsystem in the Linux kernel did not properly handle sockets entering the LISTEN state in certain protocols, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Davide Ornaghi discovered that the netfilter subsystem in the Linux kernel did not properly handle VLAN headers in some situations. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

Microsoft's Patch Tuesday update for March 2023 is rolling out with remediations for a set of 80 security flaws, two of which have come under active exploitation in the wild. Eight of the 80 bugs are rated Critical, 71 are rated Important, and one is rated Moderate in severity. The updates are in addition to 29 flaws the tech giant fixed in its Chromium-based Edge browser in recent weeks. The

Ubuntu Security Notice 5949-1 - It was discovered that Chromium could be made to write out of bounds in several components. A remote attacker could possibly use this issue to corrupt memory via a crafted HTML page, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that Chromium contained an integer overflow in the PDF component. A remote attacker could possibly use this issue to corrupt memory via a crafted PDF file, resulting in a denial of service, or possibly execute arbitrary code.