AlmaLinux 9 : tigervnc (ALSA-2026:10739)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:10739 advisory. xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling CVE-2026-33999 xorg: xwayland: X.Org X server:...

Important: openexr

Issue Overview: OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds check on the dataWindow attribute in EXR file headers allows an attacker to trigger a signe...

Amazon Linux 2023 : openexr, openexr-devel, openexr-libs (ALAS2023-2026-1612)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1612 advisory. OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From 3.4.0 to before 3.4.9, a missing bounds...

Important: xorg-x11-server

Issue Overview: XKB Integer Underflow in XkbSetCompatMap CVE-2026-33999 XKB Out-of-bounds Read in CheckSetGeom CVE-2026-34000 XSYNC Use-after-free in miSyncTriggerFence CVE-2026-34001 XKB Out-of-bounds read in CheckModifierMap CVE-2026-34002 XKB Buffer overflow in CheckKeyTypes CVE-2026-34003...

Admidio vulnerable to reflected XSS in msg_window.php via Square Bracket to HTML Tag Conversion

Summary An unauthenticated attacker can execute arbitrary JavaScript in any Admidio user's browser through a reflected XSS in system/msgwindow.php. The endpoint passes user input through htmlspecialchars, which does not encode square brackets. A subsequent call to Language::prepareTextPlaceholder...

GHSA-GQ27-FC8W-VCMP Admidio vulnerable to reflected XSS in msg_window.php via Square Bracket to HTML Tag Conversion

Summary An unauthenticated attacker can execute arbitrary JavaScript in any Admidio user's browser through a reflected XSS in system/msgwindow.php. The endpoint passes user input through htmlspecialchars, which does not encode square brackets. A subsequent call to Language::prepareTextPlaceholder...

xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption

A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

PT-2026-37145

Name of the Vulnerable Software and Affected Versions Admidio versions prior to 5.0.9 Description An unauthenticated attacker can execute arbitrary JavaScript in a user's browser via reflected Cross-Site Scripting XSS. The issue occurs in the 'system/msg window.php' endpoint, which accepts messag...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption

A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially...

xorg: xwayland: X.Org X server: Use-after-free vulnerability leads to server crash and potential memory corruption

A flaw was found in the X.Org X server. This use-after-free vulnerability occurs in the XSYNC fence triggering logic, specifically within the miSyncTriggerFence function. An attacker with access to the X11 server can exploit this without user interaction, leading to a server crash and potentially...

xorg: xwayland: X.Org X server: Information exposure and denial of service via out-of-bounds memory access

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

After Mythos: New Playbooks For a Zero-Window Era

When patching isn’t fast enough, NDR helps contain the next era of threats. If you’ve been tracking advancements in AI, you know the exploit window, the short buffer that organizations relied on to patch and protect after a vulnerability disclosure, is closing fast. Anthropic’s new model, Claude...

avahi: Avahi: Denial of Service via unsolicited CNAME announcements

A flaw was found in Avahi, a system that enables devices to discover services on a local network using the mDNS/DNS-SD Multicast Domain Name System/DNS-based Service Discovery protocols. A remote attacker can exploit this by sending two specific network messages, known as unsolicited announcement...

CVE-2026-41363 OpenClaw 2026.2.6 < 2026.3.28 - Arbitrary File Read via Feishu upload_image Parameter

OpenClaw versions 2026.2.6 through 2026.3.24 contain a path traversal vulnerability in the Feishu extension resolveUploadInput function that bypasses file-system sandbox restrictions. Attackers can exploit improper path resolution during uploadimage operations to read arbitrary files outside...

Security update for freerdp

This update for freerdp fixes the following issues: CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted WIRETOSURFACE2 PDU bsc1258919. CVE-2026-25942: Global-buffer-overflow in xfrailserverexecuteresult bsc1258920. CVE-2026-25952: Heap-use-after-free in xfSetWindowMinMaxInfo...

Security update for freerdp

This update for freerdp fixes the following issues: CVE-2026-25941: Out-of-Bounds Read in client RDPGFX channel via crafted WIRETOSURFACE2 PDU bsc1258919. CVE-2026-25942: Global-buffer-overflow in xfrailserverexecuteresult bsc1258920. CVE-2026-25952: Heap-use-after-free in xfSetWindowMinMaxInfo...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

The vulnerability of the CheckKeyTypes() function in the XKB component of the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, allows a malicious actor to trigger a service failure.

The vulnerability of the CheckKeyTypes function in the XKB component of the Wayland protocol implementation for X.Org XWaylan, as well as in the X.Org Server implementation of the X Window System, is related to a buffer overflow issue. Exploiting this vulnerability could allow an attacker to caus...