CVE-2026-21870

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

Off-by-one Error

Overview bacnet-stack is a None Affected versions of this package are vulnerable to Off-by-one Error. via the tokenizerstring function. An attacker can cause a crash by providing a string literal longer than the buffer limit, which leads to a stack overflow when the function incorrectly writes a...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

EUVD-2026-5920

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870 The BACnet Protocol Stack library has an Off-by-one Stack-based Buffer Overflow in tokenizer_string

BACnet Protocol Stack library provides a BACnet application layer, network layer and media access MAC layer communications services. In 1.4.2, 1.5.0.rc2, and earlier, an off-by-one stack-based buffer overflow in the ubasic interpreter causes a crash SIGABRT when processing string literals longer...

CVE-2026-21870

The CVE-2026-21870 affects the BACnet Protocol Stack library, specifically versions 1.4.2, 1.5.0.rc2 and earlier. The root cause is an off-by-one, stack-based buffer overflow in the ubasic interpreter’s tokenizer_string function. It mishandles null termination for maximum-length strings, writing ...

OESA-2026-1354 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: A flaw was found in QEMU. If the QIOChannelWebsock object is freed while it is waiting to complete a handshake, a GSource is leaked. This can lead to the callback firing later on and...

OESA-2026-1352 qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed. Security Fixes: An "off by one" bug has been discovered in QEMU's KVM Xen guest support. A malicious client could exploit this vulnerability to trigger an out-of-bounds heap access in the QEMU process vi...

CVE-2026-20638

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3. A user with Live Caller ID app extensions turned off could have identifying information leaked to the extensions...

CVE-2026-20638

A logic issue was addressed with improved checks. This issue is fixed in iOS 26.3 and iPadOS 26.3. A user with Live Caller ID app extensions turned off could have identifying information leaked to the extensions...

RockyLinux 8 : kernel-rt (RLSA-2026:1661)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:1661 advisory. kernel: IB/hfi1: Fix sdma.h tx-numdescs off-by-one error CVE-2024-26766 kernel: RDMA/core: Fix KASAN: slab-use-after-free Read in ibregisterdevice proble...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...

Analysis of active exploitation of SolarWinds Web Help Desk

The Microsoft Defender Research Team observed a multi‑stage intrusion where threat actors exploited internet‑exposed SolarWinds Web Help Desk WHD instances to get an initial foothold and then laterally moved towards other high-value assets within the organization. However, we have not yet confirm...

SUSE CVE-2025-71196

In the Linux kernel, the following vulnerability has been resolved: phy: stm32-usphyc: Fix off by one in probe The "index" variable is used as an index into the usbphyc-phys array which has usbphyc-nphys elements. So if it is equal to usbphyc-nphys then it is one element out of bounds. The "index...

EPSON Printers Improper Input Validation (CVE-2023-38556)

Improper input validation vulnerability in SEIKO EPSON printer Web Config allows a remote attacker to turned off the printer. Note Web Config is the software that allows users to check the status and change the settings of SEIKO EPSON printers via a web browser. Web Config is pre-installed in som...

iperf3: iperf Heap Buffer Overflow

A flaw was found in iperf3. An off-by-one error in the iperfauth.c file leads to a heap-based buffer overflow, potentially allowing a network attacker to trigger an application-level denial of service. This overflow occurs during the processing of authentication data. The vulnerability can only b...