CVE-2026-49494 Xcitium Client Security / Comodo Internet Security Remote Denial of Service

Xcitium Client Security XCS before 13.8.2.10019 and Comodo Internet Security CIS through 12.3.4.8162 fix expected by 2026 Q3 contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6...

CVE-2026-49494 Xcitium Client Security / Comodo Internet Security Remote Denial of Service

Xcitium Client Security XCS before 13.8.2.10019 and Comodo Internet Security CIS through 12.3.4.8162 fix expected by 2026 Q3 contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6...

Comodo Internet Security 数字错误漏洞

Comodo Internet Security is a set of computer security software developed by the American company Comodo, primarily aimed at internet security. Comodo Internet Security has a digital error vulnerability; this vulnerability stems from an integer underflow in the IPv6 packet resolver within the...

The Race to Quantum-Proof the Internet Has Already Begun

The race to quantum-proof the internet is underway as experts warn of “harvest now, decrypt later” risks and slow migration to post-quantum security...

CVE-2026-27748

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\\ProgramData without validating whether the path resolves through a symbolic link or reparse...

EUVD-2026-9820

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27748

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27749

Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\ProgramData using .NET BinaryFormatter without...

CVE-2026-27748 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27748 Avira Internet Security Arbitrary File Deletion via Improper Link Resolution

Avira Internet Security contains an improper link resolution vulnerability in the Software Updater component. During the update process, a privileged service running as SYSTEM deletes a file under C:\ProgramData without validating whether the path resolves through a symbolic link or reparse point...

CVE-2026-27749 Avira Internet Security System Speedup Insecure Deserialization

Avira Internet Security contains a deserialization of untrusted data vulnerability in the System Speedup component. The Avira.SystemSpeedup.RealTimeOptimizer.exe process, which runs with SYSTEM privileges, deserializes data from a file located in C:\ProgramData using .NET BinaryFormatter without...

CVE-2026-27750

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

CVE-2026-27750 Avira Internet Security Optimizer TOCTOU

Avira Internet Security contains a time-of-check time-of-use TOCTOU vulnerability in the Optimizer component. A privileged service running as SYSTEM identifies directories for cleanup during a scan phase and subsequently deletes them during a separate cleanup phase without revalidating the target...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability. This vulnerability stems from an improper link parsing issue in the Software Updater component. It could allow local attackers to delete any file,...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability, which stems from the System Speedup component deserializing unreliable data. This could allow local attackers to execute arbitrary code with SYSTEM...

Avira Internet Security 安全漏洞

Avira Internet Security is a network security software developed by the German company Avira. Avira Internet Security has a security vulnerability, which stems from a race condition in the Optimizer component. This vulnerability could allow local attackers to delete protected files or directories...

CVE-2019-18215

An issue was discovered in signmgr.dll 6.5.0.819 in Comodo Internet Security through 12.0. A DLL Preloading vulnerability allows an attacker to implant an unsigned DLL named iLog.dll in a partially unprotected product directory. This DLL is then loaded into a high-privileged service before the...

CVE-2020-10180

The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro macOS, Cyber Security macOS, Mobile Security for Android, Smart TV Security,...