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

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...

SWUpdate buffer error vulnerability

SWUpdate is an embedded Linux system update tool developed by Stefano Babic. SWUpdate has a buffer error vulnerability, which stems from an integer underflow in the multipart upload parser in the mongoosemultipart.c file. This vulnerability allows unauthenticated attackers to cause...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libexif (UTSA-2026-014285)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-014285 advisory. libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exifmnotedatagetvalue function gets passed in a 0 size, the passed in-buffer would be overwritten du...

PT-2026-34748

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoose multipart.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...

Rocky Linux: CVE-2026-33999: xorg-x11-server-Xwayland (Multiple Advisories)

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...

UBUNTU-CVE-2026-35333

Integer Underflow When Handling RADIUS Attributes...

CVE-2026-35330

Integer Underflow When Handling EAP-SIM/AKA Attributes...

CVE-2026-35333

Integer Underflow When Handling RADIUS Attributes...

UBUNTU-CVE-2026-35330

Integer Underflow When Handling EAP-SIM/AKA Attributes...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013816)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013816 advisory. In the Linux kernel, the following vulnerability has been resolved: regulator: core: Prevent integer underflow By using a ratio of delay to pollenabledtime that is n...

CVE-2026-34064: Integer Underflow (Wrap or Wraparound)

nimiq-account contains account primitives to be used in Nimiq's Rust implementation. Prior to version 1.3.0, VestingContract::canchangebalance returns AccountError::InsufficientFunds when newbalance balance, the node crashes while trying to return an error. The mincap balance precondition is...

JLSEC-2026-170

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service...

JLSEC-2026-163

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schemainit.c serialNumberAndIssuerCheck...

PT-2026-36281

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, resulting in denial of service...

PT-2026-36274

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service schema init.c serialNumberAndIssuerCheck...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011039)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011039 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mt7601u: fix an integer underflow Fix an integer underflow that leads to a null pointer...