PT-2026-21646

Name of the Vulnerable Software and Affected Versions ImageMagick versions prior to 7.1.2-15 ImageMagick versions prior to 6.9.13-40 Description ImageMagick is software used for editing and manipulating digital images. A crafted SVG file can cause a denial of service. An incorrect boundary check...

CVE-2026-2703

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decodebase64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access...

Off-by-one Error

Overview Affected versions of this package are vulnerable to Off-by-one Error via the decodebase64 function in the Encrypted XLSX File Parser component. An attacker can cause a denial of service by executing a manipulation that triggers an off-by-one error. Remediation A fix was pushed into the...

CVE-2026-2703 xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decodebase64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access...

CVE-2026-2703

CVE-2026-2703 affects the xlnt-community xlnt project up to version 1.6.1. The vulnerability resides in the function xlnt::detail::decode_base64 (source/detail/cryptography/base64.cpp) of the Encrypted XLSX File Parser and is caused by an off-by-one flaw introduced by manipulation. The issue requ...

CVE-2026-2703 xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one

A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decodebase64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access...

PT-2026-20595

Name of the Vulnerable Software and Affected Versions xlnt versions up to 1.6.1 Description A flaw exists in the xlnt::detail::decode base64 function within the Encrypted XLSX File Parser component, specifically in the source/detail/cryptography/base64.cpp file. This can lead to an off-by-one...

CVE-2026-0665

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption...

CVE-2026-0665

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption...

CVE-2026-0665 Qemu-kvm: heap off-by-one in kvm xen physdevop_map_pirq

An off-by-one error was found in QEMU's KVM Xen guest support. A malicious guest could use this flaw to trigger out-of-bounds heap accesses in the QEMU process via the emulated Xen physdev hypercall interface, leading to a denial of service or potential memory corruption...

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...

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 ...

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...

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...

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...