tigervnc security update

An update is available for tigervnc. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Virtual Network Computing VNC is a remote display system which allows users ...

EUVD-2023-58711

Malicious code in bioql PyPI...

EUVD-2023-58618

Malicious code in bioql PyPI...

The vulnerability relates to the X Rendering Extension implementation of the X Window System X.Org Server, as well as the Wayland protocol for X.Org XWayland. This allows a malicious actor to cause a service failure.

The vulnerability of the X Rendering Extension in the X Window System X.Org Server and the Wayland protocol for X.Org XWayland relates to reading data from beyond the allowed buffer limits. Exploiting this vulnerability can allow an attacker to cause a service failure...

CLSA-2025-1757666519 xorg-x11-server: Fix of CVE-2025-49178

CVE-2025-49178: fix request handling flaw causing potential denial of service...

Linux Distros Unpatched Vulnerability : CVE-2022-2320

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the Xorg-x11-server. The specific flaw exists within the handling of ProcXkbSetDeviceInfo requests. The issue results from the lack of prope...

CLSA-2025-1756409662 xorg-x11-server: Fix of 8 CVEs

CVE-2025-26594: refuse to free the root cursor and keep its ref - CVE-2025-26595: fix buffer overflow in XkbVModMaskText - CVE-2025-26596: xkb: fix computation of XkbSizeKeySyms - CVE-2025-26597: xkb: fix buffer overflow in XkbChangeTypesOfKey - CVE-2025-26598: Xi: Fix barrier device search -...

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x resize, rotate and reflect (randr) extension

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Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: unprocessed client request due to bytes to ignore

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Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: integer overflow in x record extension

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xorg-x11-server: tigervnc: heap-based buffer overflow privilege escalation vulnerability

A flaw was found in the X.org server. Due to improperly tracked allocation size in XkbSetCompatMap, a local attacker may be able to trigger a buffer overflow condition via a specially crafted payload, leading to denial of service or local privilege escalation in distributions where the X.org serv...

xorg-x11-server: out-of-bounds memory read in RRChangeOutputProperty and RRChangeProviderProperty

A flaw was found in xorg-server. A specially crafted request to RRChangeProviderProperty or RRChangeOutputProperty can trigger an integer overflow which may lead to a disclosure of sensitive information...

xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access

An out-of-bounds memory access flaw was found in the X.Org server. This issue can be triggered when a device frozen by a sync grab is reattached to a different master device. This issue may lead to an application crash, local privilege escalation if the server runs with extended privileges, or...

xorg-x11-server: heap buffer overflow in XISendDeviceHierarchyEvent

A flaw was found in X.Org server. In the XISendDeviceHierarchyEvent function, it is possible to exceed the allocated array length when certain new device IDs are added to the xXIHierarchyInfo struct. This can trigger a heap buffer overflow condition, which may lead to an application crash or remo...

xorg-x11-server: Heap buffer overread/data leakage in ProcXIPassiveGrabDevice

A heap-based buffer over-read vulnerability was found in the X.org server's ProcXIPassiveGrabDevice function. This issue occurs when byte-swapped length values are used in replies, potentially leading to memory leakage and segmentation faults, particularly when triggered by a client with a...

Amazon Linux 2 : xorg-x11-server (ALAS-2025-2918)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2025-2918 advisory. A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and...

xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in X Resize, Rotate and Reflect (RandR) Extension

A flaw was found in the RandR extension, where the RRChangeProviderProperty function does not properly validate input. This issue leads to an integer overflow when computing the total size to allocate...

xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Out-of-Bounds Read in X Rendering Extension Animated Cursors

A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash...

xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Integer Overflow in Big Requests Extension

A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check...

xorg-x11-server-Xwayland: xorg-x11-server: tigervnc: Out-of-Bounds Read in X Rendering Extension Animated Cursors

A flaw was found in the X Rendering extension's handling of animated cursors. If a client provides no cursors, the server assumes at least one is present, leading to an out-of-bounds read and potential crash...