CVE-2026-31617: Integer Underflow (Wrap or Wraparound)

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fncm: validate minimum blocklen in ncmunwrapntb The blocklen read from the host-supplied NTB header is checked against ntbmax but has no lower bound. When blocklen is smaller than opts-ndpsize, the bounds check of:...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an integer underflow under the stmmac chained mode. This vulnerability could lead to arbitrary...

EUVD-2026-25307

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

DEBIAN-CVE-2026-28525

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

UBUNTU-CVE-2026-28525

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

CVE-2026-28525

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

CVE-2026-28525 SWUpdate Integer Underflow in Multipart Upload Parser

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

CVE-2026-28525

SWUpdate contains an integer underflow in the multipart upload parser (mongoose_multipart.c) that enables unauthenticated remote denial of service. An attacker can trigger an underflow in mg_http_multipart_continue_wait_for_chunk() by sending a crafted HTTP POST to /upload with a malformed multip...

CVE-2026-28525 SWUpdate Integer Underflow in Multipart Upload Parser

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

ALPINE-CVE-2026-33999

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...

AZL-84630 CVE-2026-33999 affecting package xorg-x11-server 1.20.10-6

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...

AZL-84839 CVE-2026-33999 affecting package xorg-x11-server-Xwayland for versions less than 24.1.6-4

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...

CVE-2026-33999

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...

CVE-2026-33999

CVE-2026-33999 affects the X.Org X server, specifically an integer underflow in the XKB compatibility map handling, allowing a local or remote X11 server user to trigger a buffer read overrun. The result is memory-safety violations and potential DoS or other impacts as described in the connected ...

CVE-2026-33999

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...

CVE-2026-33999 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...

CVE-2026-33999 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...

CVE-2026-33999

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...

X.Org X Server numerical error vulnerability

X.Org X Server is an X Window system display server developed by the X.Org Foundation. X.Org X Server has a numerical error vulnerability, which stems from integer underflow in the XKB compatibility mapping process. This vulnerability may allow attackers to trigger a buffer overflow, leading to...

CVE-2026-28525: Integer Underflow (Wrap or Wraparound)

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...