CVE-2026-2738

CVE-2026-2738 affects OpenVPN ovpn-dco-win 2.8.0. A buffer overflow in the handling of encrypted packets can be triggered by sending oversized packets to the remote peer when the AEAD tag appears at the end of the packet, enabling a local attacker to crash the system. The CVSS 4.0 vector indicate...

How to Organize Safely in the Age of Surveillance

From threat modeling to encrypted collaboration apps, we’ve collected experts’ tips and tools for safely and effectively building a group—even while being targeted and tracked by the powerful...

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...

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...

strongMan 安全漏洞

strongMan is an API developed by strongSwan. Versions of strongMan prior to 0.2.0 contained a security vulnerability. This vulnerability stemmed from the lack of a separate initialization vector when encrypting database fields, which could lead to credential leakage...

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-2026-2703: Off-by-one Error

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-2026-20934

Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet...

uTLS has a fingerprint vulnerability from GREASE ECH mismatch for Chrome parrots

There is a fingerprint mismatch with Chrome when using GREASE ECH, having to do with ciphersuite selection. When Chrome selects the preferred ciphersuite in the outer ClientHello and the ciphersuite for ECH, it does so consistently based on hardware support. That means, for example, if it prefers...

The vulnerability of the Secure Encrypted Virtualization (SEV) technology of AMD’s microprogramming processor allows attackers to compromise the confidentiality of protected information.

The vulnerability of the Secure Encrypted Virtualization SEV technology of AMD microprocessors is related to deficiencies in access control. Exploiting this vulnerability could allow attackers to compromise the confidentiality of the protected information...

The vulnerability of the Secure Encrypted Virtualization (SEV) technology of AMD’s microprogramming processor allows attackers to compromise the confidentiality of protected information.

The vulnerability of the Secure Encrypted Virtualization SEV technology of AMD microprocessors is related to deficiencies in access control. Exploiting this vulnerability could allow attackers to compromise the confidentiality of the protected information...

The vulnerability of Dell RecoverPoint’s data protection software for virtual machines, related to the use of strictly encrypted authentication data, allows a malicious actor to gain unauthorized access to the operating system with root privileges.

The vulnerability of Dell RecoverPoint data protection software for virtual machines relates to the use of strictly encrypted authentication data. Exploiting this vulnerability could allow an attacker to gain unauthorized access to the operating system with root privileges...

PT-2026-20212

URGENT: Ubuntu 24.04 LTS kernel updates USN-8028-3 are live. Critical patches for AMD CPU data leaks CVE-2024-36351 and SEV-SNP guest memory overwrite flaws. Read more: 👉 https://t.co/ChC0mzFiGU Security https://t.co/LSj2IFaKnN...

The vulnerability of Visiology BI’s data analytics system, which stems from the use of strictly encrypted accounting data, allows attackers to gain unauthorized access to protected information.

The vulnerability of Visiology BI data analytics systems lies in the use of strictly encrypted accounting data. Exploiting this vulnerability could allow a malicious actor, operating remotely, to gain unauthorized access to protected information...

The vulnerability of Visiology BI’s data analytics system, which stems from the use of a strictly encrypted cryptographic key, allows attackers to compromise the confidentiality and integrity of the protected information.

The vulnerability of Visiology BI data analytics systems lies in the use of a strictly encrypted cryptographic key. Exploiting this vulnerability could allow an attacker, operating remotely, to compromise the confidentiality and integrity of the protected information...

Control Flow Reconstruction using HPCs

Affected Products and Mitigation Performance counters are not protected by Secure Encrypted Virtualization SEV, SEV-ES, or SEV-SNP. AMD has defined support for performance counter virtualization in APM Vol 2, section 15.39. Performance Monitoring Counters PMC virtualization, available on AMD...