Threats Tagged 'cve-2026-33999'

Multiple security vulnerabilities have been identified in the X.Org X server, specifically affecting the xorg-x11-server component used in Red Hat Enterprise Linux 9.4 Extended Update Support and related products. These issues include denial of service via integer underflow, information disclosure, use-after-free leading to potential memory corruption, and out-of-bounds memory access. The vulnerabilities affect XKB compatibility map handling, geometry processing, and modifier map handling. Red Hat has issued an important security advisory with updates addressing these vulnerabilities.

Multiple security vulnerabilities have been identified and addressed in TigerVNC and the X.Org X server components used in Red Hat Enterprise Linux 9.2. These include denial of service, information disclosure, use-after-free, and data manipulation issues affecting XKB handling in xwayland and permission handling in TigerVNC's x0vncserver. The update fixes these vulnerabilities to improve security.

Multiple security vulnerabilities have been identified in the X.Org X server, specifically affecting the xorg-x11-server component used in Red Hat Enterprise Linux 7 Extended Lifecycle Support. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to potential memory corruption, and information exposure through out-of-bounds memory access. The vulnerabilities affect the XKB compatibility map, geometry processing, and modifier map handling within the X server and xwayland components. Red Hat has released security updates addressing these issues.

Multiple security vulnerabilities have been identified in TigerVNC and the X.Org X server components used in Red Hat Enterprise Linux 9.4 Extended Update Support. These include denial of service, information disclosure, use-after-free, and data manipulation issues affecting XKB handling and x0vncserver permissions. The vulnerabilities have been rated as important by Red Hat Product Security. Updates addressing these issues are available for affected Red Hat Enterprise Linux 9.4 versions.

Multiple security vulnerabilities have been identified in the X.Org X server, specifically affecting the xorg-x11-server component used in Red Hat Enterprise Linux 9.6 Extended Update Support and related products. These issues include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to potential memory corruption, and information exposure through out-of-bounds memory access. Red Hat has issued an important security advisory with updates addressing these vulnerabilities.

Multiple security vulnerabilities have been identified in the Xwayland component of the X.Org X server used for running X clients under Wayland. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to potential memory corruption, and information exposure through out-of-bounds memory access. The vulnerabilities affect Red Hat Enterprise Linux 9.6 Extended Update Support and related variants across multiple architectures. Red Hat has issued an important security advisory with updates to address these issues.

Multiple security vulnerabilities have been identified in the xorg-x11-server-Xwayland component of Red Hat Enterprise Linux 10.0 Extended Update Support. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to server crash and potential memory corruption, and information exposure through out-of-bounds memory access. Red Hat has issued a security advisory with updates to address these issues.

Multiple security vulnerabilities have been identified in the xorg-x11-server-Xwayland component of Red Hat Enterprise Linux 9.4 Extended Update Support. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to potential memory corruption, and information exposure through out-of-bounds memory access. Red Hat has issued an important security advisory with updates addressing these issues. The vulnerabilities affect various architectures supported by Red Hat Enterprise Linux 9.4. Detailed CVE references are provided for each issue.

Multiple vulnerabilities have been identified in the xorg-x11-server-Xwayland component of Red Hat Enterprise Linux 9.2. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, use-after-free leading to potential memory corruption, and information exposure through out-of-bounds memory access. The issues affect the X.Org X server running X clients under Wayland. Red Hat has released an important security update addressing these vulnerabilities.

Multiple vulnerabilities have been identified in the X.Org X server, specifically affecting the xorg-x11-server component used in Red Hat Enterprise Linux 9.2. These include denial of service via integer underflow, information disclosure and denial of service via out-of-bounds reads, and a use-after-free vulnerability that can lead to server crashes and potential memory corruption. The issues affect XKB compatibility map handling, geometry processing, and modifier map handling. Red Hat has issued a security advisory with updates to address these vulnerabilities.