USN-4922-1: Ruby vulnerability

Juho Nurminen discovered that the REXML gem bundled with Ruby incorrectly parsed and serialized XML documents. A remote attacker could possibly use this issue to perform an XML round-trip attack...

USN-4563-2: NTP vulnerability

USN-4563-1 fixed a vulnerability in NTP. This update provides the corresponding update for Ubuntu 20.04 LTS and Ubuntu 20.10. Original advisory details: It was discovered that the fix for CVE-2018-7182 introduced a NULL pointer dereference into NTP. An attacker could use this vulnerability to cau...

Ubuntu 16.04 LTS : OpenSLP vulnerability (USN-4919-1)

The remote Ubuntu 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4919-1 advisory. It was discovered that OpenSLP did not properly validate URLs. A remote attacker could use this issue to cause OpenSLP to crash or possibly execute arbitrary code...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : ClamAV vulnerabilities (USN-4918-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4918-1 advisory. It was discovered that ClamAV incorrectly handled parsing Excel documents. A remote attacker could possibly use this issue to cau...

Ubuntu 20.04 LTS : EDK II vulnerabilities (USN-4923-1)

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4923-1 advisory. Laszlo Ersek discovered that EDK II incorrectly handled recursion. A remote attacker could possibly use this issue to cause EDK II to consume resources,...

Code injection

Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could...

PYSEC-2021-114

Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could...

openSUSE: Security Advisory for nodejs10 (openSUSE-SU-2021:0372-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4915-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4915-1 advisory. It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respec...

openSUSE: Security Advisory for nodejs10 (openSUSE-SU-2021:0082-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

USN-4917-1: Linux kernel vulnerabilities

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges. CVE-2021-3493 Vincent Dehors discovered that the shiftfs file...

USN-4915-1: Linux kernel (OEM) vulnerabilities

It was discovered that the overlayfs implementation in the Linux kernel did not properly validate the application of file system capabilities with respect to user namespaces. A local attacker could use this to gain elevated privileges. CVE-2021-3493 Vincent Dehors discovered that the shiftfs file...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4911-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4911-1 advisory. It was discovered that the Nouveau GPU driver in the Linux kernel did not properly handle error conditions in some situations. A local attacker could use...

Ubuntu 20.04 LTS : Linux kernel (OEM) vulnerabilities (USN-4912-1)

The remote Ubuntu 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4912-1 advisory. Piotr Krysiuk discovered that the BPF JIT compiler for x86 in the Linux kernel did not properly validate computation of branch displacements in some...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-4909-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4909-1 advisory. Loris Reiff discovered that the BPF implementation in the Linux kernel did not properly validate attributes in the getsockopt BPF hook. A loc...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-4904-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4904-1 advisory. Ben Harris discovered that the Linux kernel would strip extended privilege attributes of files when performing a failed unprivileged system call. A local...

Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : Nettle vulnerability (USN-4906-1)

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4906-1 advisory. It was discovered that Nettle incorrectly handled signature verification. A remote attacker could use this issue to cause Nettle to crash,...

USN-4911-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Nouveau GPU driver in the Linux kernel did not properly handle error conditions in some situations. A local attacker could use this to cause a denial of service system crash. CVE-2020-25639 Jan Beulich discovered that the Xen netback backend in the Linux kernel did not...

USN-4910-1: Linux kernel vulnerabilities

Ryota Shiga discovered that the sockopt BPF hooks in the Linux kernel could allow a user space program to probe for valid kernel addresses. A local attacker could use this to ease exploitation of another kernel vulnerability. CVE-2021-20239 It was discovered that the BPF verifier in the Linux...

USN-4906-1: Nettle vulnerability

It was discovered that Nettle incorrectly handled signature verification. A remote attacker could use this issue to cause Nettle to crash, resulting in a denial of service, or possibly force invalid signatures...