Threat database

Two denial of service vulnerabilities have been identified in the Qt software toolkit's XML handling components. These vulnerabilities involve uncontrolled recursion in XML serialization (CVE-2026-11573) and a denial of service issue in XML parsing (CVE-2026-19248). Red Hat has issued security updates for the qt5-qtbase packages in Red Hat Enterprise Linux 7 Extended Lifecycle Support to address these issues.

Red Hat Single Sign-On 7.6.14 for RHEL 8 addresses a critical security vulnerability (CVE-2026-18963) that allows unauthenticated attackers to take over accounts by bypassing the reset-credentials flow. This update replaces version 7.6.13 and includes bug fixes and enhancements. The vulnerability is related to improper handling of the reset credentials process, enabling account takeover without authentication.

This Red Hat security advisory addresses multiple moderate severity vulnerabilities in the python3 package for Red Hat Enterprise Linux 8. The issues include an arbitrary file write via tarfile extraction filter bypass (CVE-2026-114583), misinterpretation of HTTP responses due to invalid chunk parsing (CVE-2026-103995), and a security bypass via null byte truncation in socket.getaddrinfo() (CVE-2026-116566). Updates are available to remediate these vulnerabilities.

yggdrasil-worker-package-manager is a simple package manager yggd worker. It knows how to install and remove packages, add, remove, enable and disable repositories, and does rudimentary detection of the host it is running on to guess the package manager to use. It only installs packages that match one of the provided allow-pattern regular expressions. Security Fix(es): * yggdrasil-worker-package-manager: yggdrasil-worker-package-manager: path traversal via unsanitized repo name in AddRepo/RemoveRepo (CVE-2026-18379) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.