The following advisory data is extracted from: https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_12751.json Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. - Packet Storm Staff ==================================================================== Red Hat Security Advisory Synopsis: Important: tigervnc security update Advisory ID: RHSA-2025:12751-03 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2025:12751 Issue date: 2025-08-04 Revision: 03 CVE Names: CVE-2022-4283 ==================================================================== Summary: An update for tigervnc is now available for Red Hat Enterprise Linux 6 Extended Lifecycle Support - EXTENSION. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description: Virtual Network Computing (VNC) is a remote display system which allows users to view a computing desktop environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures. TigerVNC is a suite of VNC servers and clients. Security Fix(es): * xorg-x11-server: XTestSwapFakeInput stack overflow (CVE-2022-46340) * xorg-x11-server: XIPassiveUngrab out-of-bounds access (CVE-2022-46341) * xorg-x11-server: XvdiSelectVideoNotify use-after-free (CVE-2022-46342) * xorg-x11-server: ScreenSaverSetAttributes use-after-free (CVE-2022-46343) * xorg-x11-server: XIChangeProperty out-of-bounds access (CVE-2022-46344) * xorg-x11-server: XkbGetKbdByName use-after-free (CVE-2022-4283) * xorg-x11-server: DeepCopyPointerClasses use-after-free leads to privilege elevation (CVE-2023-0494) * xorg-x11-server: X.Org Server Overlay Window Use-After-Free Local Privilege Escalation Vulnerability (CVE-2023-1393) * xorg-x11-server: Out-of-bounds write in XIChangeDeviceProperty/RRChangeOutputProperty (CVE-2023-5367) * xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty (CVE-2023-6478) * xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent (CVE-2024-21885,ZDI-CAN-22744) * xorg-x11-server: heap buffer overflow in DisableDevice (CVE-2024-21886,ZDI-CAN-22840) * xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access (CVE-2024-0229,ZDI-CAN-22678) * xorg-x11-server: Heap buffer overflow in DeviceFocusEvent and ProcXIQueryPointer (CVE-2023-6816) * xorg-x11-server: Heap buffer overread/data leakage in ProcXIGetSelectedEvents (CVE-2024-31080) * xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice (CVE-2024-31081) * xorg-x11-server: Use-after-free in ProcRenderAddGlyphs (CVE-2024-31083) * xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability (CVE-2024-9632) 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. Solution: https://access.redhat.com/articles/11258 CVEs: CVE-2022-4283 References: https://access.redhat.com/security/updates/classification/#important https://bugzilla.redhat.com/show_bug.cgi?id=2151755 https://bugzilla.redhat.com/show_bug.cgi?id=2151756 https://bugzilla.redhat.com/show_bug.cgi?id=2151757 https://bugzilla.redhat.com/show_bug.cgi?id=2151758 https://bugzilla.redhat.com/show_bug.cgi?id=2151760 https://bugzilla.redhat.com/show_bug.cgi?id=2151761 https://bugzilla.redhat.com/show_bug.cgi?id=2165995 https://bugzilla.redhat.com/show_bug.cgi?id=2180288 https://bugzilla.redhat.com/show_bug.cgi?id=2243091 https://bugzilla.redhat.com/show_bug.cgi?id=2253298 https://bugzilla.redhat.com/show_bug.cgi?id=2256540 https://bugzilla.redhat.com/show_bug.cgi?id=2256542 https://bugzilla.redhat.com/show_bug.cgi?id=2256690 https://bugzilla.redhat.com/show_bug.cgi?id=2257691 https://bugzilla.redhat.com/show_bug.cgi?id=2271997 https://bugzilla.redhat.com/show_bug.cgi?id=2271998 https://bugzilla.redhat.com/show_bug.cgi?id=2272000 https://bugzilla.redhat.com/show_bug.cgi?id=2317233