Tag: memory corruption
6 articles
Linux Flaw Exposes Local Users to Root via Open vSwitch
A newly discovered Linux flaw, CVE-2026-64531, lets local users potentially gain root access via Open vSwitch, even without an existing OVS bridge, running ovs-vswitchd, or host-level CAP_NET_ADMIN privileges. This vulnerability, with a CVSS score of 7.8, was quickly patched after being responsibly disclosed.
Redis Exposes Zero-Days, RCE Exploit in Latest Security Releases
Redis just released seven security updates to fix major vulnerabilities that could let attackers run malicious code remotely, thanks to newly published proof-of-concept exploits targeting several Redis versions. The fixes cover multiple branches, including 6.x, 7.x, and 8.x, and patch memory-corruption flaws that can be triggered using the RESTORE command and other requirements.
OpenSSL Servers Vulnerable to Memory-Bloating DDoS Attacks
Beware: a simple 11-byte malicious input can cripple OpenSSL servers with a devastating DDoS attack, leaving them permanently bloated and vulnerable. This sneaky exploit, dubbed HollowByte, takes advantage of a weakness in OpenSSL's TLS handshake to drain server resources.
SAP Patches Critical Flaws in NetWeaver, Commerce Cloud
SAP has patched critical flaws in its NetWeaver and Commerce Cloud products, including a vulnerability in NetWeaver Application Server ABAP that allows authenticated attackers to cause memory corruption, potentially leading to data breaches or system downtime. This fix is part of SAP's July 2026 security package, which addresses 16 vulnerabilities across multiple products.
libssh2 Flaw Exposes Clients to Code Execution Risk
A critical flaw in libssh2, known as CVE-2026-55200, can be exploited by a malicious SSH server to trigger memory corruption on a connecting client, with no credentials or user interaction required. This vulnerability can be easily triggered with a public proof-of-concept now available.
NVIDIA Chips Vulnerable to Rowhammer Attacks
Researchers have discovered that NVIDIA chips are vulnerable to Rowhammer attacks, which can be exploited to gain unauthorized access to computer systems. This security threat can lead to a complete compromise of the machine, allowing attackers to read and write data freely.