CVE-2026-44235

rabbitmq-c is a C-language AMQP client library for RabbitMQ. Prior to 0.16.0, a malicious AMQP server can send an undersized HEADER or METHOD frame during client login and cause unsigned sizet underflow in amqphandleinput in librabbitmq/amqpconnection.c. The parser subtracts HEADERSIZE, fixed...

CVE-2026-11850: Integer Underflow (Wrap or Wraparound)

An integer underflow vulnerability was found in MIT krb5 in the berval2tldata function in plugins/kdb/ldap/libkdbldap/ldapprincipal2.c. The function performs an unsigned subtraction bvlen - 2 without a prior bounds check. When bvlen is 0 or 1, the subtraction wraps to a large value which is then...

CVE-2026-45469

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44817

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44818

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44823

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44820

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-42981

Integer underflow wrap or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network...

CVE-2026-42974

Integer underflow wrap or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network...

CVE-2026-42980

Integer underflow wrap or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-42916

Integer underflow wrap or wraparound in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally...

CVE-2026-42542 TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version...

CVE-2026-42542 TDengine has an integer underflow in uvConnMayGetUserInfo() allows unauthenticated remote crash (DoS)

TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version...

CVE-2026-42542

CVE-2026-42542 affects TDengine versions 3.4.0.0–3.4.1.5. An unauthenticated remote attacker can cause a denial of service by sending a single crafted RPC packet, triggering an integer underflow in uvConnMayGetUserInfo() and crashing the taosd server. Impact is limited to availability (A) with ne...

OPENSUSE-SU-2026:20938-1 Security update for perl-YAML-Syck

This update for perl-YAML-Syck fixes the following issues: Changes in perl-YAML-Syck: - CVE-2026-5089: prevent buffer underflow in base60 sexagesimal parsing PR 133 bsc1265155...

BIT-APACHE-2026-44631 Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

PT-2026-72718

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Transparent Inter-Process Communication TIPC protocol where the tipc sk conn proto rcv function subtracts a peer-supplied connection acknowledgment count from the...

CVE-2026-42542: Integer Underflow (Wrap or Wraparound)

TDengine is an open source, time-series database optimized for Internet of Things devices. In versions 3.4.0.0 through 3.4.1.5, an unauthenticated remote attacker can crash the taosd server process by sending a single crafted RPC packet. No credentials or prior session state are required. Version...

EulerOS 2.0 SP13 : vim (EulerOS-SA-2026-2361)

According to the versions of the vim packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Vim is an open source, command line text editor. Prior to version 9.2.0202, a command injection vulnerability exists in Vim's glob function on...

EulerOS 2.0 SP13 : cups (EulerOS-SA-2026-2325)

According to the versions of the cups packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer...